From 26112352a774737e1ce5580c93654a26c1e82b39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff.email>
Date: Mon, 24 Oct 2022 22:25:29 +0200
Subject: New upstream version 1.1

---
 tests/nanosleep.c | 93 +++----------------------------------------------------
 1 file changed, 5 insertions(+), 88 deletions(-)

(limited to 'tests/nanosleep.c')

diff --git a/tests/nanosleep.c b/tests/nanosleep.c
index 5294c646..55d6fa65 100644
--- a/tests/nanosleep.c
+++ b/tests/nanosleep.c
@@ -23,16 +23,12 @@
 #include <time.h>
 
 #include "intprops.h"
-#include "sig-handler.h"
-#include "verify.h"
 
-#include <stdbool.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/select.h>
 #include <signal.h>
 
-#include <sys/time.h>
 #include <errno.h>
 
 #include <unistd.h>
@@ -61,7 +57,7 @@ nanosleep (const struct timespec *requested_delay,
 
   {
     /* Verify that time_t is large enough.  */
-    verify (TYPE_MAXIMUM (time_t) / 24 / 24 / 60 / 60);
+    static_assert (TYPE_MAXIMUM (time_t) / 24 / 24 / 60 / 60);
     const time_t limit = 24 * 24 * 60 * 60;
     time_t seconds = requested_delay->tv_sec;
     struct timespec intermediate;
@@ -181,45 +177,9 @@ nanosleep (const struct timespec *requested_delay,
 }
 
 #else
-/* Unix platforms lacking nanosleep. */
-
-/* Some systems (MSDOS) don't have SIGCONT.
-   Using SIGTERM here turns the signal-handling code below
-   into a no-op on such systems. */
-# ifndef SIGCONT
-#  define SIGCONT SIGTERM
-# endif
-
-static sig_atomic_t volatile suspended;
-
-/* Handle SIGCONT. */
-
-static _GL_ASYNC_SAFE void
-sighandler (int sig)
-{
-  suspended = 1;
-}
-
-/* Suspend execution for at least *TS_DELAY seconds.  */
-
-static int
-my_usleep (const struct timespec *ts_delay)
-{
-  struct timeval tv_delay;
-  tv_delay.tv_sec = ts_delay->tv_sec;
-  tv_delay.tv_usec = (ts_delay->tv_nsec + 999) / 1000;
-  if (tv_delay.tv_usec == 1000000)
-    {
-      if (tv_delay.tv_sec == TYPE_MAXIMUM (time_t))
-        tv_delay.tv_usec = 1000000 - 1; /* close enough */
-      else
-        {
-          tv_delay.tv_sec++;
-          tv_delay.tv_usec = 0;
-        }
-    }
-  return select (0, NULL, NULL, NULL, &tv_delay);
-}
+/* Other platforms lacking nanosleep.
+   It's not clear whether these are still practical porting targets.
+   For now, just fall back on pselect.  */
 
 /* Suspend execution for at least *REQUESTED_DELAY seconds.  The
    *REMAINING_DELAY part isn't implemented yet.  */
@@ -228,49 +188,6 @@ int
 nanosleep (const struct timespec *requested_delay,
            struct timespec *remaining_delay)
 {
-  static bool initialized;
-
-  if (requested_delay->tv_nsec < 0 || BILLION <= requested_delay->tv_nsec)
-    {
-      errno = EINVAL;
-      return -1;
-    }
-
-  /* set up sig handler */
-  if (! initialized)
-    {
-      struct sigaction oldact;
-
-      sigaction (SIGCONT, NULL, &oldact);
-      if (get_handler (&oldact) != SIG_IGN)
-        {
-          struct sigaction newact;
-
-          newact.sa_handler = sighandler;
-          sigemptyset (&newact.sa_mask);
-          newact.sa_flags = 0;
-          sigaction (SIGCONT, &newact, NULL);
-        }
-      initialized = true;
-    }
-
-  suspended = 0;
-
-  if (my_usleep (requested_delay) == -1)
-    {
-      if (suspended)
-        {
-          /* Calculate time remaining.  */
-          /* FIXME: the code in sleep doesn't use this, so there's no
-             rush to implement it.  */
-
-          errno = EINTR;
-        }
-      return -1;
-    }
-
-  /* FIXME: Restore sig handler?  */
-
-  return 0;
+  return pselect (0, NULL, NULL, NULL, requested_delay, NULL);
 }
 #endif
-- 
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