Import man-db_2.10.2.orig.tar.xz

1 files changed, 4 insertions, 85 deletions

diff --git a/gl/lib/nanosleep.c b/gl/lib/nanosleep.c
index 5294c646..446794ed 100644
--- a/gl/lib/nanosleep.c
+++ b/gl/lib/nanosleep.c
@@ -23,7 +23,6 @@
 #include <time.h>
 
 #include "intprops.h"
-#include "sig-handler.h"
 #include "verify.h"
 
 #include <stdbool.h>
@@ -32,7 +31,6 @@
 #include <sys/select.h>
 #include <signal.h>
 
-#include <sys/time.h>
 #include <errno.h>
 
 #include <unistd.h>
@@ -181,45 +179,9 @@ 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 +190,6 @@ 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