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authorUlrich Drepper <drepper@redhat.com>2000-05-29 01:00:03 +0000
committerUlrich Drepper <drepper@redhat.com>2000-05-29 01:00:03 +0000
commit31eb0a91a52a5b67564cf38e79f1f01930a28ed5 (patch)
treebdce53e1495345eb7ee708025c3b7f82772dbf28
parent84838b8ff3dc3f826d6c78e25f4e144adea4babe (diff)
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Update.
2000-05-28 Ulrich Drepper <drepper@redhat.com> * sysdeps/arm/atomicity.h (compare_and_swap): Return result.
-rw-r--r--ChangeLog4
-rw-r--r--posix/tst-fork.c15
-rw-r--r--sysdeps/arm/atomicity.h1
3 files changed, 20 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 44b2dff02b..9a80bd835a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2000-05-28 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/arm/atomicity.h (compare_and_swap): Return result.
+
2000-05-04 Andreas Jaeger <aj@suse.de>
* string/string.h: Remove __strdup prototype, it's not needed in
diff --git a/posix/tst-fork.c b/posix/tst-fork.c
index 287fa5ffb5..0bee14fabe 100644
--- a/posix/tst-fork.c
+++ b/posix/tst-fork.c
@@ -38,6 +38,7 @@ main (void)
char *name;
int fd;
pid_t pid;
+ pid_t ppid;
off_t off;
int status;
@@ -69,10 +70,24 @@ main (void)
if (off == (off_t) -1 || off != strlen (testdata))
error (EXIT_FAILURE, errno, "wrong file position");
+ /* Get the parent PID. */
+ ppid = getpid ();
+
/* Now fork of the process. */
pid = fork ();
if (pid == 0)
{
+ /* One little test first: the PID must have changed. */
+ if (getpid () == ppid)
+ error (EXIT_FAILURE, 0, "child and parent have same PID");
+
+ /* Test the `getppid' function. */
+ pid = getppid ();
+ if (pid == (pid_t) -1 ? errno != ENOSYS : pid != ppid)
+ error (EXIT_FAILURE, 0,
+ "getppid returned wrong PID (%ld, should be %ld)",
+ (long int) pid, (long int) ppid);
+
/* This is the child. First get the position of the descriptor. */
off = lseek (fd, 0, SEEK_CUR);
if (off == (off_t) -1 || off != strlen (testdata))
diff --git a/sysdeps/arm/atomicity.h b/sysdeps/arm/atomicity.h
index 01bd64e465..c1f3b038ef 100644
--- a/sysdeps/arm/atomicity.h
+++ b/sysdeps/arm/atomicity.h
@@ -81,6 +81,7 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval)
: "=&r" (result), "=&r" (tmp)
: "r" (p), "r" (newval), "r" (oldval)
: "cc", "memory");
+ return result;
}
#endif /* atomicity.h */