X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fselect%2Fpselect.c;h=54cfb291bba2cbf7c73dfb9bea3a77f0f8870d2e;hb=821083ac7b54eaa040d5a8ddc67c6206a175e0ca;hp=63ea0695dbfacda12c7a8e4d965dc70b1aecb751;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl

diff --git a/src/select/pselect.c b/src/select/pselect.c
index 63ea0695..54cfb291 100644
--- a/src/select/pselect.c
+++ b/src/select/pselect.c
@@ -1,15 +1,26 @@
 #include <sys/select.h>
+#include <signal.h>
+#include <stdint.h>
+#include <errno.h>
 #include "syscall.h"
-#include "libc.h"
 
-int pselect(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, const struct timespec *ts, const sigset_t *mask)
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+#define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
+
+int pselect(int n, fd_set *restrict rfds, fd_set *restrict wfds, fd_set *restrict efds, const struct timespec *restrict ts, const sigset_t *restrict mask)
 {
-	int r;
-	long data[2] = { (long)mask, 8 };
-	struct timespec ts_tmp;
-	if (ts) ts_tmp = *ts;
-	CANCELPT_BEGIN;
-	r = syscall(SYS_pselect6, n, rfds, wfds, efds, ts ? &ts_tmp : 0, data);
-	CANCELPT_END;
-	return r;
+	syscall_arg_t data[2] = { (uintptr_t)mask, _NSIG/8 };
+	time_t s = ts ? ts->tv_sec : 0;
+	long ns = ts ? ts->tv_nsec : 0;
+#ifdef SYS_pselect6_time64
+	int r = -ENOSYS;
+	if (SYS_pselect6 == SYS_pselect6_time64 || !IS32BIT(s))
+		r = __syscall_cp(SYS_pselect6_time64, n, rfds, wfds, efds,
+			ts ? ((long long[]){s, ns}) : 0, data);
+	if (SYS_pselect6 == SYS_pselect6_time64 || r!=-ENOSYS)
+		return __syscall_ret(r);
+	s = CLAMP(s);
+#endif
+	return syscall_cp(SYS_pselect6, n, rfds, wfds, efds,
+		ts ? ((long[]){s, ns}) : 0, data);
 }