Update.

	* sysdeps/alpha/fpu/feholdexcpt.c: Correct return value according to
	the standard.
	* sysdeps/alpha/fpu/fesetround.c: Likewise.
	* sysdeps/arm/fpu/feholdexcpt.c: Likewise.
	* sysdeps/arm/fpu/fesetround.c: Likewise.
	* sysdeps/generic/feholdexcpt.c: Likewise.
	* sysdeps/generic/fesetround.c: Likewise.
	* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
	* sysdeps/i386/fpu/fesetround.c: Likewise.
	* sysdeps/m68k/fpu/feholdexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fesetround.c: Likewise.
	* sysdeps/mips/fpu/fesetround.c: Likewise.
	* sysdeps/powerpc/fpu/feholdexcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fesetround.c: Likewise.
	* sysdeps/sparc/fpu/feholdexcpt.c: Likewise.
	* sysdeps/sparc/fpu/fesetround.c: Likewise.
	Patch by Miloslav Trmac <mitr@volny.cz>.

18 files changed, 81 insertions, 41 deletions

diff --git a/ChangeLog b/ChangeLog
index d478e8a..a019bf0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,23 @@
 2000-01-30  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/alpha/fpu/feholdexcpt.c: Correct return value according to
+	the standard.
+	* sysdeps/alpha/fpu/fesetround.c: Likewise.
+	* sysdeps/arm/fpu/feholdexcpt.c: Likewise.
+	* sysdeps/arm/fpu/fesetround.c: Likewise.
+	* sysdeps/generic/feholdexcpt.c: Likewise.
+	* sysdeps/generic/fesetround.c: Likewise.
+	* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
+	* sysdeps/i386/fpu/fesetround.c: Likewise.
+	* sysdeps/m68k/fpu/feholdexcpt.c: Likewise.
+	* sysdeps/m68k/fpu/fesetround.c: Likewise.
+	* sysdeps/mips/fpu/fesetround.c: Likewise.
+	* sysdeps/powerpc/fpu/feholdexcpt.c: Likewise.
+	* sysdeps/powerpc/fpu/fesetround.c: Likewise.
+	* sysdeps/sparc/fpu/feholdexcpt.c: Likewise.
+	* sysdeps/sparc/fpu/fesetround.c: Likewise.
+	Patch by Miloslav Trmac <mitr@volny.cz>.
+
 	* locale/programs/ld-collate.c (struct locale_collate_t): Change
 	type of plane_size and plane_cnt to uint32_t.
 	Reported by Jakub Jelinek.
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 0067861..5faddcf 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,11 @@
+2000-01-31  Ulrich Drepper  <drepper@redhat.com>
+
+	* condvar.c (pthread_cond_timedwait_relative_old): Recompute time
+	before every nanosleep call to account for time spent in the rest
+	of the function.
+	(pthread_cond_timedwait_relative_new): Likewise.
+	Patch by khendricks@ivey.uwo.ca (PR libc/1564).
+
 2000-01-29  Ulrich Drepper  <drepper@redhat.com>
 
 	* condvar.c (pthread_cond_timedwait_relative_old): Get remaining time
diff --git a/linuxthreads/condvar.c b/linuxthreads/condvar.c
index aab3ff2..5f0e193 100644
--- a/linuxthreads/condvar.c
+++ b/linuxthreads/condvar.c
@@ -26,13 +26,13 @@
 #include "restart.h"
 
 static int pthread_cond_timedwait_relative_old(pthread_cond_t *,
-    pthread_mutex_t *, struct timespec *);
+    pthread_mutex_t *, const struct timespec *);
 
 static int pthread_cond_timedwait_relative_new(pthread_cond_t *,
-    pthread_mutex_t *, struct timespec *);
+    pthread_mutex_t *, const struct timespec *);
 
 static int (*pthread_cond_tw_rel)(pthread_cond_t *, pthread_mutex_t *,
-    struct timespec *) = pthread_cond_timedwait_relative_old;
+    const struct timespec *) = pthread_cond_timedwait_relative_old;
 
 /* initialize this module */
 void __pthread_init_condvar(int rt_sig_available)
@@ -130,16 +130,29 @@ int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
 static int
 pthread_cond_timedwait_relative_old(pthread_cond_t *cond,
 				pthread_mutex_t *mutex,
-				struct timespec * reltime)
+				const struct timespec * abstime)
 {
   volatile pthread_descr self = thread_self();
   sigset_t unblock, initial_mask;
   int retsleep, already_canceled, was_signalled;
   sigjmp_buf jmpbuf;
   pthread_extricate_if extr;
+  struct timeval now;
+  struct timespec reltime;
 
 requeue_and_wait_again:
 
+  /* Compute a time offset relative to now.  */
+  __gettimeofday (&now, NULL);
+  reltime.tv_nsec = abstime->tv_nsec - now.tv_usec * 1000;
+  reltime.tv_sec = abstime->tv_sec - now.tv_sec;
+  if (reltime.tv_nsec < 0) {
+    reltime.tv_nsec += 1000000000;
+    reltime.tv_sec -= 1;
+  }
+  if (reltime.tv_sec < 0)
+    return ETIMEDOUT;
+
   retsleep = 0;
   already_canceled = 0;
   was_signalled = 0;
@@ -179,7 +192,7 @@ requeue_and_wait_again:
       sigaddset(&unblock, __pthread_sig_restart);
       sigprocmask(SIG_UNBLOCK, &unblock, &initial_mask);
       /* Sleep for the required duration */
-      retsleep = __libc_nanosleep(reltime, reltime);
+      retsleep = __libc_nanosleep(&reltime, NULL);
       /* Block the restart signal again */
       sigprocmask(SIG_SETMASK, &initial_mask, NULL);
       was_signalled = 0;
@@ -250,16 +263,29 @@ requeue_and_wait_again:
 static int
 pthread_cond_timedwait_relative_new(pthread_cond_t *cond,
 				pthread_mutex_t *mutex,
-				struct timespec * reltime)
+				const struct timespec * abstime)
 {
   volatile pthread_descr self = thread_self();
   sigset_t unblock, initial_mask;
   int retsleep, already_canceled, was_signalled;
   sigjmp_buf jmpbuf;
   pthread_extricate_if extr;
+  struct timeval now;
+  struct timespec reltime;
 
  requeue_and_wait_again:
 
+  /* Compute a time offset relative to now.  */
+  __gettimeofday (&now, NULL);
+  reltime.tv_nsec = abstime->tv_nsec - now.tv_usec * 1000;
+  reltime.tv_sec = abstime->tv_sec - now.tv_sec;
+  if (reltime.tv_nsec < 0) {
+    reltime.tv_nsec += 1000000000;
+    reltime.tv_sec -= 1;
+  }
+  if (reltime.tv_sec < 0)
+    return ETIMEDOUT;
+
   retsleep = 0;
   already_canceled = 0;
   was_signalled = 0;
@@ -298,7 +324,7 @@ pthread_cond_timedwait_relative_new(pthread_cond_t *cond,
     sigaddset(&unblock, __pthread_sig_restart);
     sigprocmask(SIG_UNBLOCK, &unblock, &initial_mask);
     /* Sleep for the required duration */
-    retsleep = __libc_nanosleep(reltime, reltime);
+    retsleep = __libc_nanosleep(&reltime, NULL);
     /* Block the restart signal again */
     sigprocmask(SIG_SETMASK, &initial_mask, NULL);
     was_signalled = 0;
@@ -363,20 +389,8 @@ pthread_cond_timedwait_relative_new(pthread_cond_t *cond,
 int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
                            const struct timespec * abstime)
 {
-  struct timeval now;
-  struct timespec reltime;
-  /* Compute a time offset relative to now */
-  __gettimeofday(&now, NULL);
-  reltime.tv_sec = abstime->tv_sec - now.tv_sec;
-  reltime.tv_nsec = abstime->tv_nsec - now.tv_usec * 1000;
-  if (reltime.tv_nsec < 0) {
-    reltime.tv_nsec += 1000000000;
-    reltime.tv_sec -= 1;
-  }
-  if (reltime.tv_sec < 0) return ETIMEDOUT;
-
   /* Indirect call through pointer! */
-  return pthread_cond_tw_rel(cond, mutex, &reltime);
+  return pthread_cond_tw_rel(cond, mutex, abstime);
 }
 
 int pthread_cond_signal(pthread_cond_t *cond)
diff --git a/sysdeps/alpha/fpu/feholdexcpt.c b/sysdeps/alpha/fpu/feholdexcpt.c
index 493d6a1..a179366 100644
--- a/sysdeps/alpha/fpu/feholdexcpt.c
+++ b/sysdeps/alpha/fpu/feholdexcpt.c
@@ -29,5 +29,5 @@ feholdexcept (fenv_t *envp)
   /* Clear all exception status bits and exception enable bits.  */
   __ieee_set_fp_control(0);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/alpha/fpu/fesetround.c b/sysdeps/alpha/fpu/fesetround.c
index f49586c..f0aaaa2 100644
--- a/sysdeps/alpha/fpu/fesetround.c
+++ b/sysdeps/alpha/fpu/fesetround.c
@@ -26,7 +26,7 @@ fesetround (int round)
   unsigned long fpcr;
 
   if (round & ~3)
-    return 0;
+    return 1;
 
   /* Get the current state.  */
   __asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr));
@@ -37,5 +37,5 @@ fesetround (int round)
   /* Put the new state in effect.  */
   __asm__ __volatile__("mt_fpcr %0; excb" : : "f"(fpcr));
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/arm/fpu/feholdexcpt.c b/sysdeps/arm/fpu/feholdexcpt.c
index 3faabd9..3422d54 100644
--- a/sysdeps/arm/fpu/feholdexcpt.c
+++ b/sysdeps/arm/fpu/feholdexcpt.c
@@ -33,5 +33,5 @@ feholdexcept (fenv_t *envp)
   temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
   _FPU_SETCW(temp);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/arm/fpu/fesetround.c b/sysdeps/arm/fpu/fesetround.c
index 7591b39..04eb09c 100644
--- a/sysdeps/arm/fpu/fesetround.c
+++ b/sysdeps/arm/fpu/fesetround.c
@@ -23,5 +23,5 @@ int
 fesetround (int round)
 {
   /* We only support FE_TONEAREST, so there is no need for any work.  */
-  return (round == FE_TONEAREST)?1:0;
+  return (round == FE_TONEAREST)?0:1;
 }
diff --git a/sysdeps/generic/feholdexcpt.c b/sysdeps/generic/feholdexcpt.c
index 5cc9b38..89141ea 100644
--- a/sysdeps/generic/feholdexcpt.c
+++ b/sysdeps/generic/feholdexcpt.c
@@ -23,7 +23,7 @@
 int
 feholdexcept (fenv_t *envp)
 {
-  return 0;		/* Signal failure.  */
+  return 1;		/* Signal failure.  */
 }
 stub_warning (feholdexcept)
 #include <stub-tag.h>
diff --git a/sysdeps/generic/fesetround.c b/sysdeps/generic/fesetround.c
index cd77a76..b64e846 100644
--- a/sysdeps/generic/fesetround.c
+++ b/sysdeps/generic/fesetround.c
@@ -23,7 +23,7 @@
 int
 fesetround (int round)
 {
-  return 0;	/* Signal we are unable to set the direction.  */
+  return 1;	/* Signal we are unable to set the direction.  */
 }
 stub_warning (fesetround)
 #include <stub-tag.h>
diff --git a/sysdeps/i386/fpu/feholdexcpt.c b/sysdeps/i386/fpu/feholdexcpt.c
index f056abb..022625d 100644
--- a/sysdeps/i386/fpu/feholdexcpt.c
+++ b/sysdeps/i386/fpu/feholdexcpt.c
@@ -32,5 +32,5 @@ feholdexcept (fenv_t *envp)
   work = envp->__control_word | 0x3f;
   __asm__ ("fldcw %0" : : "m" (*&work));
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/i386/fpu/fesetround.c b/sysdeps/i386/fpu/fesetround.c
index 844c586..9b5b089 100644
--- a/sysdeps/i386/fpu/fesetround.c
+++ b/sysdeps/i386/fpu/fesetround.c
@@ -27,12 +27,12 @@ fesetround (int round)
 
   if ((round & ~0xc00) != 0)
     /* ROUND is no valid rounding mode.  */
-    return 0;
+    return 1;
 
   __asm__ ("fnstcw %0" : "=m" (*&cw));
   cw &= ~0xc00;
   cw |= round;
   __asm__ ("fldcw %0" : : "m" (*&cw));
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/m68k/fpu/feholdexcpt.c b/sysdeps/m68k/fpu/feholdexcpt.c
index 1ccf84b..44a7c7d 100644
--- a/sysdeps/m68k/fpu/feholdexcpt.c
+++ b/sysdeps/m68k/fpu/feholdexcpt.c
@@ -35,5 +35,5 @@ feholdexcept (fenv_t *envp)
   fpcr = envp->__control_register & ~(FE_ALL_EXCEPT << 6);
   __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/m68k/fpu/fesetround.c b/sysdeps/m68k/fpu/fesetround.c
index 8d5466c..8e06a15 100644
--- a/sysdeps/m68k/fpu/fesetround.c
+++ b/sysdeps/m68k/fpu/fesetround.c
@@ -27,12 +27,12 @@ fesetround (int round)
 
   if (round & ~FE_UPWARD)
     /* ROUND is no valid rounding mode.  */
-    return 0;
+    return 1;
 
   __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
   fpcr &= ~FE_UPWARD;
   fpcr |= round;
   __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/mips/fpu/fesetround.c b/sysdeps/mips/fpu/fesetround.c
index 6b623d6..ae6ae86 100644
--- a/sysdeps/mips/fpu/fesetround.c
+++ b/sysdeps/mips/fpu/fesetround.c
@@ -28,7 +28,7 @@ fesetround (int round)
 
   if ((round & ~0x3) != 0)
     /* ROUND is no valid rounding mode.  */
-    return 0;
+    return 1;
 
   /* Get current state.  */
   _FPU_GETCW (cw);
@@ -39,5 +39,5 @@ fesetround (int round)
   /* Set new state.  */
   _FPU_SETCW (cw);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/powerpc/fpu/feholdexcpt.c b/sysdeps/powerpc/fpu/feholdexcpt.c
index a75adbf..c19d223 100644
--- a/sysdeps/powerpc/fpu/feholdexcpt.c
+++ b/sysdeps/powerpc/fpu/feholdexcpt.c
@@ -34,5 +34,5 @@ feholdexcept (fenv_t *envp)
   /* Put the new state in effect.  */
   fesetenv_register (u.fenv);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/powerpc/fpu/fesetround.c b/sysdeps/powerpc/fpu/fesetround.c
index 875c897..016f8e0 100644
--- a/sysdeps/powerpc/fpu/fesetround.c
+++ b/sysdeps/powerpc/fpu/fesetround.c
@@ -26,7 +26,7 @@ fesetround (int round)
   fenv_union_t u;
 
   if ((unsigned int) round > 3)
-    return 0;
+    return 1;
 
   /* Get the current state.  */
   u.fenv = fegetenv_register ();
@@ -37,5 +37,5 @@ fesetround (int round)
   /* Put the new state in effect.  */
   fesetenv_register (u.fenv);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/sparc/fpu/feholdexcpt.c b/sysdeps/sparc/fpu/feholdexcpt.c
index b86671c..86e7f90 100644
--- a/sysdeps/sparc/fpu/feholdexcpt.c
+++ b/sysdeps/sparc/fpu/feholdexcpt.c
@@ -31,5 +31,5 @@ feholdexcept (fenv_t *envp)
 
   __fenv_ldfsr (tmp);
 
-  return 1;
+  return 0;
 }
diff --git a/sysdeps/sparc/fpu/fesetround.c b/sysdeps/sparc/fpu/fesetround.c
index 74963d7..4b65179 100644
--- a/sysdeps/sparc/fpu/fesetround.c
+++ b/sysdeps/sparc/fpu/fesetround.c
@@ -26,12 +26,12 @@ fesetround (int round)
 
   if ((round & ~__FE_ROUND_MASK) != 0)
     /* ROUND is no valid rounding mode.  */
-    return 0;
+    return 1;
 
   __fenv_stfsr (tmp);
   tmp &= ~__FE_ROUND_MASK;
   tmp |= round;
   __fenv_ldfsr (tmp);
 
-  return 1;
+  return 0;
 }