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add support for thread scheduling (POSIX TPS option)

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linux's sched_* syscalls actually implement the TPS (thread
scheduling) functionality, not the PS (process scheduling)
functionality which the sched_* functions are supposed to have.
omitting support for the PS option (and having the sched_* interfaces
fail with ENOSYS rather than omitting them, since some broken software
assumes they exist) seems to be the only conforming way to do this on
linux.
This commit is contained in:
Rich Felker 2012-11-11 15:38:04 -05:00
commit 1e21e78bf7
23 changed files with 159 additions and 13 deletions
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5
include/spawn.h
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@ -55,6 +55,11 @@ int posix_spawnattr_getsigmask(const posix_spawnattr_t *__restrict, sigset_t *__
int posix_spawnattr_setsigdefault(posix_spawnattr_t *__restrict, const sigset_t *__restrict);
int posix_spawnattr_getsigdefault(const posix_spawnattr_t *__restrict, sigset_t *__restrict);
int posix_spawnattr_setschedparam(posix_spawnattr_t *__restrict, const struct sched_param *__restrict);
int posix_spawnattr_getschedparam(const posix_spawnattr_t *__restrict, struct sched_param *__restrict);
int posix_spawnattr_setschedpolicy(posix_spawnattr_t *__restrict, int);
int posix_spawnattr_getschedpolicy(const posix_spawnattr_t *__restrict, int *);
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);