glibc/sysdeps/unix/sysv/linux/tst-spawn-pidfd.h

64 lines
2.2 KiB
C

/* Tests for spawn pidfd extension.
Copyright (C) 2023-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <spawn.h>
#include <support/check.h>
#define PID_T_TYPE int
/* Call posix_spawn with POSIX_SPAWN_PIDFD set. */
static inline int
pidfd_spawn_check (int *pidfd, const char *path,
const posix_spawn_file_actions_t *fa,
const posix_spawnattr_t *attr, char *const argv[],
char *const envp[])
{
int r = pidfd_spawn (pidfd, path, fa, attr, argv, envp);
if (r == ENOSYS)
FAIL_UNSUPPORTED ("kernel does not support CLONE_PIDFD clone flag");
return r;
}
#define POSIX_SPAWN(__pidfd, __path, __actions, __attr, __argv, __envp) \
pidfd_spawn_check (__pidfd, __path, __actions, __attr, __argv, __envp)
static inline int
pidfd_spawnp_check (int *pidfd, const char *file,
const posix_spawn_file_actions_t *fa,
const posix_spawnattr_t *attr,
char *const argv[], char *const envp[])
{
int r = pidfd_spawnp (pidfd, file, fa, attr, argv, envp);
if (r == ENOSYS)
FAIL_UNSUPPORTED ("kernel does not support CLONE_PIDFD clone flag");
return r;
}
#define POSIX_SPAWNP(__child, __path, __actions, __attr, __argv, __envp) \
pidfd_spawnp_check (__child, __path, __actions, __attr, __argv, __envp)
#define WAITID(__idtype, __id, __info, __opts) \
({ \
__typeof (__idtype) __new_idtype = __idtype == P_PID \
? P_PIDFD : __idtype; \
waitid (__new_idtype, __id, __info, __opts); \
})
#define TST_SPAWN_PIDFD 1