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missing_syscall: fix pidfd_{send_signal,open} numbers for alpha

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Also order the syscalls by syscall number for easier comparisons with the
kernel headers.

Fixup for 5f152f43d0.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-08-15 19:01:23 +02:00
parent 0e68241138
commit 23654cee13
1 changed files with 32 additions and 22 deletions
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54
src/basic/missing_syscall.h
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@ -527,39 +527,49 @@ static inline long missing_get_mempolicy(int *mode, unsigned long *nodemask,
#define get_mempolicy missing_get_mempolicy
#endif
#if !HAVE_PIDFD_OPEN
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pidfd_open && __NR_pidfd_open >= 0)
# if defined __NR_pidfd_open
# undef __NR_pidfd_open
# endif
# define __NR_pidfd_open 434
#endif
static inline int pidfd_open(pid_t pid, unsigned flags) {
#ifdef __NR_pidfd_open
return syscall(__NR_pidfd_open, pid, flags);
#else
errno = ENOSYS;
return -1;
#endif
}
#endif
#if !HAVE_PIDFD_SEND_SIGNAL
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pidfd_send_signal && __NR_pidfd_send_signal >= 0)
# if defined __NR_pidfd_send_signal
# undef __NR_pidfd_send_signal
# endif
# define __NR_pidfd_send_signal 424
#endif
/* should be always defined, see kernel 39036cd2727395c3369b1051005da74059a85317 */
# if defined(__alpha__)
# define __NR_pidfd_send_signal 534
# else
# define __NR_pidfd_send_signal 424
# endif
# endif
static inline int pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags) {
#ifdef __NR_pidfd_open
# ifdef __NR_pidfd_open
return syscall(__NR_pidfd_send_signal, fd, sig, info, flags);
#else
# else
errno = ENOSYS;
return -1;
# endif
}
#endif
#if !HAVE_PIDFD_OPEN
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pidfd_open && __NR_pidfd_open >= 0)
# if defined __NR_pidfd_open
# undef __NR_pidfd_open
# endif
/* should be always defined, see kernel 7615d9e1780e26e0178c93c55b73309a5dc093d7 */
# if defined(__alpha__)
# define __NR_pidfd_open 544
# else
# define __NR_pidfd_open 434
# endif
# endif
static inline int pidfd_open(pid_t pid, unsigned flags) {
# ifdef __NR_pidfd_open
return syscall(__NR_pidfd_open, pid, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
#endif