diff options
Diffstat (limited to 'shared/systemd/src/basic/missing_syscall.h')
| -rw-r--r-- | shared/systemd/src/basic/missing_syscall.h | 495 |
1 files changed, 325 insertions, 170 deletions
diff --git a/shared/systemd/src/basic/missing_syscall.h b/shared/systemd/src/basic/missing_syscall.h index d11a77d5..42d64753 100644 --- a/shared/systemd/src/basic/missing_syscall.h +++ b/shared/systemd/src/basic/missing_syscall.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: LGPL-2.1+ */ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once /* Missing glibc definitions to access certain kernel APIs */ @@ -15,6 +15,26 @@ #include <asm/sgidefs.h> #endif +#if defined(__alpha__) +# define systemd_SC_arch_bias(x) (110 + (x)) +#elif defined(__ia64__) +# define systemd_SC_arch_bias(x) (1024 + (x)) +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_SC_arch_bias(x) (4000 + (x)) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_SC_arch_bias(x) (6000 + (x)) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_SC_arch_bias(x) (5000 + (x)) +# else +# error "Unknown MIPS ABI" +# endif +#elif defined(__x86_64__) && defined(__ILP32__) +# define systemd_SC_arch_bias(x) ((x) | /* __X32_SYSCALL_BIT */ 0x40000000) +#else +# define systemd_SC_arch_bias(x) (x) +#endif + #include "missing_keyctl.h" #include "missing_stat.h" @@ -35,32 +55,38 @@ static inline int missing_pivot_root(const char *new_root, const char *put_old) /* ======================================================================= */ -#if defined __x86_64__ -# define systemd_NR_memfd_create 319 -#elif defined __arm__ -# define systemd_NR_memfd_create 385 -#elif defined __aarch64__ +#if defined(__aarch64__) # define systemd_NR_memfd_create 279 +#elif defined(__alpha__) +# define systemd_NR_memfd_create 512 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_memfd_create 279 +#elif defined(__arm__) +# define systemd_NR_memfd_create 385 +#elif defined(__i386__) +# define systemd_NR_memfd_create 356 +#elif defined(__ia64__) +# define systemd_NR_memfd_create systemd_SC_arch_bias(316) +#elif defined(__m68k__) +# define systemd_NR_memfd_create 353 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_memfd_create systemd_SC_arch_bias(354) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_memfd_create systemd_SC_arch_bias(318) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_memfd_create systemd_SC_arch_bias(314) +# endif #elif defined(__powerpc__) # define systemd_NR_memfd_create 360 -#elif defined __s390__ +#elif defined(__s390__) # define systemd_NR_memfd_create 350 -#elif defined _MIPS_SIM -# if _MIPS_SIM == _MIPS_SIM_ABI32 -# define systemd_NR_memfd_create 4354 -# endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 -# define systemd_NR_memfd_create 6318 -# endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define systemd_NR_memfd_create 5314 -# endif -#elif defined __i386__ -# define systemd_NR_memfd_create 356 -#elif defined __arc__ -# define systemd_NR_memfd_create 279 +#elif defined(__sparc__) +# define systemd_NR_memfd_create 348 +#elif defined(__x86_64__) +# define systemd_NR_memfd_create systemd_SC_arch_bias(319) #else -# warning "memfd_create() syscall number unknown for your architecture" +# warning "memfd_create() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -92,36 +118,38 @@ static inline int missing_memfd_create(const char *name, unsigned int flags) { /* ======================================================================= */ -#if defined __x86_64__ -# define systemd_NR_getrandom 318 -#elif defined(__i386__) -# define systemd_NR_getrandom 355 +#if defined(__aarch64__) +# define systemd_NR_getrandom 278 +#elif defined(__alpha__) +# define systemd_NR_getrandom 511 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_getrandom 278 #elif defined(__arm__) # define systemd_NR_getrandom 384 -#elif defined(__aarch64__) -# define systemd_NR_getrandom 278 +#elif defined(__i386__) +# define systemd_NR_getrandom 355 #elif defined(__ia64__) -# define systemd_NR_getrandom 1339 +# define systemd_NR_getrandom systemd_SC_arch_bias(318) #elif defined(__m68k__) # define systemd_NR_getrandom 352 -#elif defined(__s390x__) -# define systemd_NR_getrandom 349 -#elif defined(__powerpc__) -# define systemd_NR_getrandom 359 -#elif defined _MIPS_SIM +#elif defined(_MIPS_SIM) # if _MIPS_SIM == _MIPS_SIM_ABI32 -# define systemd_NR_getrandom 4353 -# endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 -# define systemd_NR_getrandom 6317 +# define systemd_NR_getrandom systemd_SC_arch_bias(353) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_getrandom systemd_SC_arch_bias(317) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_getrandom systemd_SC_arch_bias(313) # endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define systemd_NR_getrandom 5313 -# endif -#elif defined(__arc__) -# define systemd_NR_getrandom 278 +#elif defined(__powerpc__) +# define systemd_NR_getrandom 359 +#elif defined(__s390__) +# define systemd_NR_getrandom 349 +#elif defined(__sparc__) +# define systemd_NR_getrandom 347 +#elif defined(__x86_64__) +# define systemd_NR_getrandom systemd_SC_arch_bias(318) #else -# warning "getrandom() syscall number unknown for your architecture" +# warning "getrandom() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -168,22 +196,38 @@ static inline pid_t missing_gettid(void) { /* ======================================================================= */ -#if defined(__x86_64__) -# define systemd_NR_name_to_handle_at 303 -#elif defined(__i386__) -# define systemd_NR_name_to_handle_at 341 +#if defined(__aarch64__) +# define systemd_NR_name_to_handle_at 264 +#elif defined(__alpha__) +# define systemd_NR_name_to_handle_at 497 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_name_to_handle_at 264 #elif defined(__arm__) # define systemd_NR_name_to_handle_at 370 -#elif defined __aarch64__ -# define systemd_NR_name_to_handle_at 264 +#elif defined(__i386__) +# define systemd_NR_name_to_handle_at 341 +#elif defined(__ia64__) +# define systemd_NR_name_to_handle_at systemd_SC_arch_bias(302) +#elif defined(__m68k__) +# define systemd_NR_name_to_handle_at 340 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_name_to_handle_at systemd_SC_arch_bias(339) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_name_to_handle_at systemd_SC_arch_bias(303) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_name_to_handle_at systemd_SC_arch_bias(298) +# endif #elif defined(__powerpc__) # define systemd_NR_name_to_handle_at 345 -#elif defined __s390__ || defined __s390x__ +#elif defined(__s390__) # define systemd_NR_name_to_handle_at 335 -#elif defined(__arc__) -# define systemd_NR_name_to_handle_at 264 +#elif defined(__sparc__) +# define systemd_NR_name_to_handle_at 332 +#elif defined(__x86_64__) +# define systemd_NR_name_to_handle_at systemd_SC_arch_bias(303) #else -# warning "name_to_handle_at number is not defined" +# warning "name_to_handle_at() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -221,22 +265,38 @@ static inline int missing_name_to_handle_at(int fd, const char *name, struct fil /* ======================================================================= */ -#if defined __aarch64__ +#if defined(__aarch64__) # define systemd_NR_setns 268 -#elif defined __arm__ +#elif defined(__alpha__) +# define systemd_NR_setns 501 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_setns 268 +#elif defined(__arm__) # define systemd_NR_setns 375 -#elif defined(__x86_64__) -# define systemd_NR_setns 308 #elif defined(__i386__) # define systemd_NR_setns 346 +#elif defined(__ia64__) +# define systemd_NR_setns systemd_SC_arch_bias(306) +#elif defined(__m68k__) +# define systemd_NR_setns 344 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_setns systemd_SC_arch_bias(344) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_setns systemd_SC_arch_bias(308) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_setns systemd_SC_arch_bias(303) +# endif #elif defined(__powerpc__) # define systemd_NR_setns 350 -#elif defined __s390__ || defined __s390x__ +#elif defined(__s390__) # define systemd_NR_setns 339 -#elif defined(__arc__) -# define systemd_NR_setns 268 +#elif defined(__sparc__) +# define systemd_NR_setns 337 +#elif defined(__x86_64__) +# define systemd_NR_setns systemd_SC_arch_bias(308) #else -# warning "setns() syscall number unknown for your architecture" +# warning "setns() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -278,32 +338,38 @@ static inline pid_t raw_getpid(void) { /* ======================================================================= */ -#if defined __x86_64__ -# define systemd_NR_renameat2 316 -#elif defined __arm__ -# define systemd_NR_renameat2 382 -#elif defined __aarch64__ +#if defined(__aarch64__) # define systemd_NR_renameat2 276 -#elif defined _MIPS_SIM +#elif defined(__alpha__) +# define systemd_NR_renameat2 510 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_renameat2 276 +#elif defined(__arm__) +# define systemd_NR_renameat2 382 +#elif defined(__i386__) +# define systemd_NR_renameat2 353 +#elif defined(__ia64__) +# define systemd_NR_renameat2 systemd_SC_arch_bias(314) +#elif defined(__m68k__) +# define systemd_NR_renameat2 351 +#elif defined(_MIPS_SIM) # if _MIPS_SIM == _MIPS_SIM_ABI32 -# define systemd_NR_renameat2 4351 +# define systemd_NR_renameat2 systemd_SC_arch_bias(351) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_renameat2 systemd_SC_arch_bias(315) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_renameat2 systemd_SC_arch_bias(311) # endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 -# define systemd_NR_renameat2 6315 -# endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define systemd_NR_renameat2 5311 -# endif -#elif defined __i386__ -# define systemd_NR_renameat2 353 -#elif defined __powerpc64__ +#elif defined(__powerpc__) # define systemd_NR_renameat2 357 -#elif defined __s390__ || defined __s390x__ +#elif defined(__s390__) # define systemd_NR_renameat2 347 -#elif defined __arc__ -# define systemd_NR_renameat2 276 +#elif defined(__sparc__) +# define systemd_NR_renameat2 345 +#elif defined(__x86_64__) +# define systemd_NR_renameat2 systemd_SC_arch_bias(316) #else -# warning "renameat2() syscall number unknown for your architecture" +# warning "renameat2() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -387,22 +453,38 @@ static inline key_serial_t missing_request_key(const char *type, const char *des /* ======================================================================= */ -#if defined(__x86_64__) -# define systemd_NR_copy_file_range 326 +#if defined(__aarch64__) +# define systemd_NR_copy_file_range 285 +#elif defined(__alpha__) +# define systemd_NR_copy_file_range 519 +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_copy_file_range 285 +#elif defined(__arm__) +# define systemd_NR_copy_file_range 391 #elif defined(__i386__) # define systemd_NR_copy_file_range 377 -#elif defined __s390__ -# define systemd_NR_copy_file_range 375 -#elif defined __arm__ -# define systemd_NR_copy_file_range 391 -#elif defined __aarch64__ -# define systemd_NR_copy_file_range 285 -#elif defined __powerpc__ +#elif defined(__ia64__) +# define systemd_NR_copy_file_range systemd_SC_arch_bias(323) +#elif defined(__m68k__) +# define systemd_NR_copy_file_range 376 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_copy_file_range systemd_SC_arch_bias(360) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_copy_file_range systemd_SC_arch_bias(324) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_copy_file_range systemd_SC_arch_bias(320) +# endif +#elif defined(__powerpc__) # define systemd_NR_copy_file_range 379 -#elif defined __arc__ -# define systemd_NR_copy_file_range 285 +#elif defined(__s390__) +# define systemd_NR_copy_file_range 375 +#elif defined(__sparc__) +# define systemd_NR_copy_file_range 357 +#elif defined(__x86_64__) +# define systemd_NR_copy_file_range systemd_SC_arch_bias(326) #else -# warning "copy_file_range() syscall number unknown for your architecture" +# warning "copy_file_range() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -437,24 +519,38 @@ static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in, /* ======================================================================= */ -#if defined __i386__ -# define systemd_NR_bpf 357 -#elif defined __x86_64__ -# define systemd_NR_bpf 321 -#elif defined __aarch64__ +#if defined(__aarch64__) +# define systemd_NR_bpf 280 +#elif defined(__alpha__) +# define systemd_NR_bpf 515 +#elif defined(__arc__) || defined(__tilegx__) # define systemd_NR_bpf 280 -#elif defined __arm__ +#elif defined(__arm__) # define systemd_NR_bpf 386 +#elif defined(__i386__) +# define systemd_NR_bpf 357 +#elif defined(__ia64__) +# define systemd_NR_bpf systemd_SC_arch_bias(317) +#elif defined(__m68k__) +# define systemd_NR_bpf 354 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_bpf systemd_SC_arch_bias(355) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_bpf systemd_SC_arch_bias(319) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_bpf systemd_SC_arch_bias(315) +# endif #elif defined(__powerpc__) # define systemd_NR_bpf 361 -#elif defined __sparc__ -# define systemd_NR_bpf 349 -#elif defined __s390__ +#elif defined(__s390__) # define systemd_NR_bpf 351 -#elif defined __tilegx__ -# define systemd_NR_bpf 280 +#elif defined(__sparc__) +# define systemd_NR_bpf 349 +#elif defined(__x86_64__) +# define systemd_NR_bpf systemd_SC_arch_bias(321) #else -# warning "bpf() syscall number unknown for your architecture" +# warning "bpf() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -489,30 +585,38 @@ static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) { /* ======================================================================= */ #ifndef __IGNORE_pkey_mprotect -# if defined __i386__ -# define systemd_NR_pkey_mprotect 380 -# elif defined __x86_64__ -# define systemd_NR_pkey_mprotect 329 -# elif defined __aarch64__ +# if defined(__aarch64__) # define systemd_NR_pkey_mprotect 288 -# elif defined __arm__ +# elif defined(__alpha__) +# define systemd_NR_pkey_mprotect 524 +# elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_pkey_mprotect 226 +# elif defined(__arm__) # define systemd_NR_pkey_mprotect 394 -# elif defined __powerpc__ -# define systemd_NR_pkey_mprotect 386 -# elif defined __s390__ -# define systemd_NR_pkey_mprotect 384 -# elif defined _MIPS_SIM +# elif defined(__i386__) +# define systemd_NR_pkey_mprotect 380 +# elif defined(__ia64__) +# define systemd_NR_pkey_mprotect systemd_SC_arch_bias(330) +# elif defined(__m68k__) +# define systemd_NR_pkey_mprotect 381 +# elif defined(_MIPS_SIM) # if _MIPS_SIM == _MIPS_SIM_ABI32 -# define systemd_NR_pkey_mprotect 4363 -# endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 -# define systemd_NR_pkey_mprotect 6327 -# endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 -# define systemd_NR_pkey_mprotect 5323 +# define systemd_NR_pkey_mprotect systemd_SC_arch_bias(363) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_pkey_mprotect systemd_SC_arch_bias(327) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_pkey_mprotect systemd_SC_arch_bias(323) # endif +# elif defined(__powerpc__) +# define systemd_NR_pkey_mprotect 386 +# elif defined(__s390__) +# define systemd_NR_pkey_mprotect 384 +# elif defined(__sparc__) +# define systemd_NR_pkey_mprotect 362 +# elif defined(__x86_64__) +# define systemd_NR_pkey_mprotect systemd_SC_arch_bias(329) # else -# warning "pkey_mprotect() syscall number unknown for your architecture" +# warning "pkey_mprotect() syscall number is unknown for your architecture" # endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -532,22 +636,38 @@ assert_cc(__NR_pkey_mprotect == systemd_NR_pkey_mprotect); /* ======================================================================= */ -#if defined __aarch64__ +#if defined(__aarch64__) # define systemd_NR_statx 291 -#elif defined __arm__ -# define systemd_NR_statx 397 -#elif defined __alpha__ +#elif defined(__alpha__) # define systemd_NR_statx 522 -#elif defined __i386__ || defined __powerpc64__ +#elif defined(__arc__) || defined(__tilegx__) +# define systemd_NR_statx 291 +#elif defined(__arm__) +# define systemd_NR_statx 397 +#elif defined(__i386__) +# define systemd_NR_statx 383 +#elif defined(__ia64__) +# define systemd_NR_statx systemd_SC_arch_bias(326) +#elif defined(__m68k__) +# define systemd_NR_statx 379 +#elif defined(_MIPS_SIM) +# if _MIPS_SIM == _MIPS_SIM_ABI32 +# define systemd_NR_statx systemd_SC_arch_bias(366) +# elif _MIPS_SIM == _MIPS_SIM_NABI32 +# define systemd_NR_statx systemd_SC_arch_bias(330) +# elif _MIPS_SIM == _MIPS_SIM_ABI64 +# define systemd_NR_statx systemd_SC_arch_bias(326) +# endif +#elif defined(__powerpc__) # define systemd_NR_statx 383 -#elif defined __s390__ || defined __s390x__ +#elif defined(__s390__) # define systemd_NR_statx 379 -#elif defined __sparc__ +#elif defined(__sparc__) # define systemd_NR_statx 360 -#elif defined __x86_64__ -# define systemd_NR_statx 332 +#elif defined(__x86_64__) +# define systemd_NR_statx systemd_SC_arch_bias(332) #else -# warning "statx() syscall number unknown for your architecture" +# warning "statx() syscall number is unknown for your architecture" #endif /* may be (invalid) negative number due to libseccomp, see PR 13319 */ @@ -632,23 +752,7 @@ static inline long missing_get_mempolicy(int *mode, unsigned long *nodemask, /* ======================================================================= */ /* should be always defined, see kernel 39036cd2727395c3369b1051005da74059a85317 */ -#if defined __alpha__ -# define systemd_NR_pidfd_send_signal 534 -#elif defined _MIPS_SIM -# if _MIPS_SIM == _MIPS_SIM_ABI32 /* o32 */ -# define systemd_NR_pidfd_send_signal (424 + 4000) -# endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 /* n32 */ -# define systemd_NR_pidfd_send_signal (424 + 6000) -# endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 /* n64 */ -# define systemd_NR_pidfd_send_signal (424 + 5000) -# endif -#elif defined __ia64__ -# define systemd_NR_pidfd_send_signal (424 + 1024) -#else -# define systemd_NR_pidfd_send_signal 424 -#endif +#define systemd_NR_pidfd_send_signal systemd_SC_arch_bias(424) /* may be (invalid) negative number due to libseccomp, see PR 13319 */ #if defined __NR_pidfd_send_signal && __NR_pidfd_send_signal >= 0 @@ -664,7 +768,7 @@ assert_cc(__NR_pidfd_send_signal == systemd_NR_pidfd_send_signal); #if !HAVE_PIDFD_SEND_SIGNAL static inline int missing_pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags) { -# ifdef __NR_pidfd_open +# ifdef __NR_pidfd_send_signal return syscall(__NR_pidfd_send_signal, fd, sig, info, flags); # else errno = ENOSYS; @@ -676,23 +780,7 @@ static inline int missing_pidfd_send_signal(int fd, int sig, siginfo_t *info, un #endif /* should be always defined, see kernel 7615d9e1780e26e0178c93c55b73309a5dc093d7 */ -#if defined __alpha__ -# define systemd_NR_pidfd_open 544 -#elif defined _MIPS_SIM -# if _MIPS_SIM == _MIPS_SIM_ABI32 /* o32 */ -# define systemd_NR_pidfd_open (434 + 4000) -# endif -# if _MIPS_SIM == _MIPS_SIM_NABI32 /* n32 */ -# define systemd_NR_pidfd_open (434 + 6000) -# endif -# if _MIPS_SIM == _MIPS_SIM_ABI64 /* n64 */ -# define systemd_NR_pidfd_open (434 + 5000) -# endif -#elif defined __ia64__ -# define systemd_NR_pidfd_open (434 + 1024) -#else -# define systemd_NR_pidfd_open 434 -#endif +#define systemd_NR_pidfd_open systemd_SC_arch_bias(434) /* may be (invalid) negative number due to libseccomp, see PR 13319 */ #if defined __NR_pidfd_open && __NR_pidfd_open >= 0 @@ -732,3 +820,70 @@ static inline int missing_rt_sigqueueinfo(pid_t tgid, int sig, siginfo_t *info) # define rt_sigqueueinfo missing_rt_sigqueueinfo #endif + +/* ======================================================================= */ + +#if 0 /* NM_IGNORED */ +#if !HAVE_EXECVEAT +static inline int missing_execveat(int dirfd, const char *pathname, + char *const argv[], char *const envp[], + int flags) { +# if defined __NR_execveat && __NR_execveat >= 0 + return syscall(__NR_execveat, dirfd, pathname, argv, envp, flags); +# else + errno = ENOSYS; + return -1; +# endif +} + +# undef AT_EMPTY_PATH +# define AT_EMPTY_PATH 0x1000 +# define execveat missing_execveat +#endif + +/* ======================================================================= */ + +#define systemd_NR_close_range systemd_SC_arch_bias(436) + +/* may be (invalid) negative number due to libseccomp, see PR 13319 */ +#if defined __NR_close_range && __NR_close_range >= 0 +# if defined systemd_NR_close_range +assert_cc(__NR_close_range == systemd_NR_close_range); +# endif +#else +# if defined __NR_close_range +# undef __NR_close_range +# endif +# if defined systemd_NR_close_range +# define __NR_close_range systemd_NR_close_range +# endif +#endif + +#if !HAVE_CLOSE_RANGE +static inline int missing_close_range(int first_fd, int end_fd, unsigned flags) { +# ifdef __NR_close_range + /* Kernel-side the syscall expects fds as unsigned integers (just like close() actually), while + * userspace exclusively uses signed integers for fds. We don't know just yet how glibc is going to + * wrap this syscall, but let's assume it's going to be similar to what they do for close(), + * i.e. make the same unsigned → signed type change from the raw kernel syscall compared to the + * userspace wrapper. There's only one caveat for this: unlike for close() there's the special + * UINT_MAX fd value for the 'end_fd' argument. Let's safely map that to -1 here. And let's refuse + * any other negative values. */ + if ((first_fd < 0) || (end_fd < 0 && end_fd != -1)) { + errno = -EBADF; + return -1; + } + + return syscall(__NR_close_range, + (unsigned) first_fd, + end_fd == -1 ? UINT_MAX : (unsigned) end_fd, /* Of course, the compiler should figure out that this is the identity mapping IRL */ + flags); +# else + errno = ENOSYS; + return -1; +# endif +} + +# define close_range missing_close_range +#endif +#endif /* NM_IGNORED */ |