From c5d6bea6d9f98a593890f9694ef1575d744e5a32 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Mon, 11 May 2026 09:10:11 +0000 Subject: Prepare for 2.15.0.1; add selectshorttimeout sysdeps (yay MacOS) --- src/sysdeps/tryselectshorttimeout.c | 41 +++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/sysdeps/tryselectshorttimeout.c (limited to 'src/sysdeps') diff --git a/src/sysdeps/tryselectshorttimeout.c b/src/sysdeps/tryselectshorttimeout.c new file mode 100644 index 0000000..9049079 --- /dev/null +++ b/src/sysdeps/tryselectshorttimeout.c @@ -0,0 +1,41 @@ +/* ISC license. */ + +#undef _POSIX_C_SOURCE +#undef _XOPEN_SOURCE + +#ifndef _BSD_SOURCE +#define _BSD_SOURCE +#endif +#ifndef _NETBSD_SOURCE +#define _NETBSD_SOURCE +#endif +#ifndef _DARWIN_C_SOURCE +#define _DARWIN_C_SOURCE +#endif + +#include +#include +#include +#include +#include + +static void alrm_handler (int sig) +{ + (void)sig ; + _exit(1) ; +} + +int main (void) +{ + struct sigaction action = { .sa_handler = &alrm_handler, .sa_flags = SA_NOCLDSTOP | SA_RESTART } ; + struct timeval tv = { .tv_sec = 100000000, .tv_usec = 0 } ; + fd_set r, w, x ; + FD_ZERO(&r) ; + FD_ZERO(&w) ; + FD_ZERO(&x) ; + sigfillset(&action.sa_mask) ; + if (sigaction(SIGALRM, &action, 0) == -1) _exit(111) ; + alarm(1) ; + if (select(1, &r, &w, &x, &tv) == -1) _exit(errno == EINVAL ? 0 : 111) ; + _exit(1) ; +} -- cgit v1.3.1