diff options
Diffstat (limited to 'libc-top-half/musl/src/linux/signalfd.c')
| -rw-r--r-- | libc-top-half/musl/src/linux/signalfd.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/linux/signalfd.c b/libc-top-half/musl/src/linux/signalfd.c new file mode 100644 index 0000000..4bf4332 --- /dev/null +++ b/libc-top-half/musl/src/linux/signalfd.c @@ -0,0 +1,21 @@ +#include <sys/signalfd.h> +#include <signal.h> +#include <errno.h> +#include <fcntl.h> +#include "syscall.h" + +int signalfd(int fd, const sigset_t *sigs, int flags) +{ + int ret = __syscall(SYS_signalfd4, fd, sigs, _NSIG/8, flags); +#ifdef SYS_signalfd + if (ret != -ENOSYS) return __syscall_ret(ret); + ret = __syscall(SYS_signalfd, fd, sigs, _NSIG/8); + if (ret >= 0) { + if (flags & SFD_CLOEXEC) + __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC); + if (flags & SFD_NONBLOCK) + __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK); + } +#endif + return __syscall_ret(ret); +} |