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src/include/override/spawn.h
21 строка
946 B
Daan De Meyer
libc,shared: detect newer library symbols at runtime
13 май 2026, 11:29
13 май 2026, 11:29
f795d54
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include_next <spawn.h> /* IWYU pragma: export */ /* pidfd_spawn() and posix_spawnattr_setcgroup_np() were added in glibc 2.39. Redirect to shims that * return ENOSYS at runtime when the libc symbols aren't available, so callers don't need to worry * about the libc version. */ int pidfd_spawn_shim(pid_t *restrict pidfd, const char *restrict path, const posix_spawn_file_actions_t *restrict file_actions, const posix_spawnattr_t *restrict attrp, char *const argv[restrict], char *const envp[restrict]); #define pidfd_spawn pidfd_spawn_shim int posix_spawnattr_setcgroup_np_shim(posix_spawnattr_t *attr, int cgroup); #define posix_spawnattr_setcgroup_np posix_spawnattr_setcgroup_np_shim /* Defined in <spawn.h> since glibc 2.39. */ #ifndef POSIX_SPAWN_SETCGROUP # define POSIX_SPAWN_SETCGROUP 0x100 #endif