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Diffstat (limited to '')
| -rw-r--r-- | libc-top-half/musl/src/thread/pthread_sigmask.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/pthread_sigmask.c b/libc-top-half/musl/src/thread/pthread_sigmask.c new file mode 100644 index 0000000..f188782 --- /dev/null +++ b/libc-top-half/musl/src/thread/pthread_sigmask.c @@ -0,0 +1,19 @@ +#include <signal.h> +#include <errno.h> +#include "syscall.h" + +int pthread_sigmask(int how, const sigset_t *restrict set, sigset_t *restrict old) +{ + int ret; + if (set && (unsigned)how - SIG_BLOCK > 2U) return EINVAL; + ret = -__syscall(SYS_rt_sigprocmask, how, set, old, _NSIG/8); + if (!ret && old) { + if (sizeof old->__bits[0] == 8) { + old->__bits[0] &= ~0x380000000ULL; + } else { + old->__bits[0] &= ~0x80000000UL; + old->__bits[1] &= ~0x3UL; + } + } + return ret; +} |