Bug#496715: libpthread-stubs: Should provide more pthread_* functions

[Samuel Thibault]

Hello,

Here is a patch that adds only pthread_condattr_init/destroy,
pthread_cond_timedwait, pthread_exit, and makes both cond_*wait abort
instead of just returning 0.

Samuel

diff -ur libpthread-stubs-0.1-orig/configure.ac 
libpthread-stubs-0.1/configure.ac
--- libpthread-stubs-0.1-orig/configure.ac      2006-11-22 08:51:21.000000000 
+0100
+++ libpthread-stubs-0.1/configure.ac   2009-10-11 01:15:57.000000000 +0200
@@ -31,7 +31,7 @@
 
 
 PKG_CONFIG_LIBS=
-AC_CHECK_FUNCS([pthread_self pthread_mutex_init pthread_mutex_destroy 
pthread_mutex_lock pthread_mutex_unlock pthread_cond_init pthread_cond_destroy 
pthread_cond_wait pthread_cond_signal pthread_cond_broadcast pthread_equal],
+AC_CHECK_FUNCS([pthread_self pthread_mutex_init pthread_mutex_destroy 
pthread_mutex_lock pthread_mutex_unlock pthread_cond_init pthread_cond_destroy 
pthread_condattr_init pthread_condattr_destroy pthread_cond_wait 
pthread_cond_timedwait pthread_cond_signal pthread_cond_broadcast pthread_equal 
pthread_exit],
               [], [PKG_CONFIG_LIBS='-L${libdir} -lpthread-stubs'])
 AC_SUBST([PKG_CONFIG_LIBS])
 AM_CONDITIONAL(BUILD_LIB, test "x$PKG_CONFIG_LIBS" != x)
diff -ur libpthread-stubs-0.1-orig/stubs.c libpthread-stubs-0.1/stubs.c
--- libpthread-stubs-0.1-orig/stubs.c   2006-11-22 08:20:35.000000000 +0100
+++ libpthread-stubs-0.1/stubs.c        2009-10-11 01:20:41.000000000 +0200
@@ -25,6 +25,7 @@
  */
 
 #include <pthread.h>
+#include <stdlib.h>
 #include "config.h"
 
 #ifndef HAVE_PTHREAD_SELF
@@ -90,12 +91,39 @@
 # endif
 #endif
 
-#ifndef HAVE_PTHREAD_COND_WAIT
+#ifndef HAVE_PTHREAD_CONDATTR_INIT
+#define NEED_ZERO_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_condattr_init() __attribute__ ((weak, alias 
("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_condattr_init = __pthread_zero_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_CONDATTR_DESTROY
 #define NEED_ZERO_STUB
 # ifdef SUPPORT_ATTRIBUTE_ALIAS
-int pthread_cond_wait() __attribute__ ((weak, alias ("__pthread_zero_stub")));
+int pthread_condattr_destroy() __attribute__ ((weak, alias 
("__pthread_zero_stub")));
+# else
+#  pragma weak pthread_condattr_destroy = __pthread_zero_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_COND_WAIT
+#define NEED_ABORT_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_cond_wait() __attribute__ ((weak, alias ("__pthread_abort_stub")));
 # else
-#  pragma weak pthread_cond_wait = __pthread_zero_stub
+#  pragma weak pthread_cond_wait = __pthread_abort_stub
+# endif
+#endif
+
+#ifndef HAVE_PTHREAD_COND_TIMEDWAIT
+#define NEED_ABORT_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_cond_timedwait() __attribute__ ((weak, alias 
("__pthread_abort_stub")));
+# else
+#  pragma weak pthread_cond_timedwait = __pthread_abort_stub
 # endif
 #endif
 
@@ -126,6 +154,15 @@
 # endif
 #endif
 
+#ifndef HAVE_PTHREAD_EXIT
+#define NEED_EXIT_STUB
+# ifdef SUPPORT_ATTRIBUTE_ALIAS
+int pthread_exit() __attribute__ ((weak, alias ("__pthread_exit_stub")));
+# else
+#  pragma weak pthread_exit = __pthread_exit_stub
+# endif
+#endif
+
 #ifdef NEED_ZERO_STUB
 static int __pthread_zero_stub()
 {
@@ -133,9 +170,23 @@
 }
 #endif
 
+#ifdef NEED_ABORT_STUB
+static int __pthread_abort_stub()
+{
+    abort();
+}
+#endif
+
 #ifdef NEED_EQUAL_STUB
 static int __pthread_equal_stub(pthread_t t1, pthread_t t2)
 {
     return (t1 == t2);
 }
 #endif
+
+#ifdef NEED_EXIT_STUB
+static void __pthread_exit_stub(void *ret)
+{
+    exit(EXIT_SUCCESS);
+}
+#endif