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authorDJ Delorie <dj@redhat.com>2005-04-26 01:02:02 +0000
committerDJ Delorie <dj@redhat.com>2005-04-26 01:02:02 +0000
commitc631edf1cc79aa305924c762642b9160cae94e2d (patch)
tree5bf2be7fe3b6c85b21ef2e65311cc9d85e7ed682
parent306ab1664beeadd87a5f848a45c44ecf4b18d180 (diff)
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merge from gcc
-rw-r--r--include/ChangeLog4
-rw-r--r--include/libiberty.h6
-rw-r--r--libiberty/ChangeLog6
-rw-r--r--libiberty/fopen_unlocked.c18
-rw-r--r--libiberty/functions.texi29
5 files changed, 52 insertions, 11 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 97a67de..88f6de2 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libiberty.h (unlock_std_streams): New.
+
2005-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* hashtab.h, libiberty.h, objalloc.h, splay-tree.h, ternary.h:
diff --git a/include/libiberty.h b/include/libiberty.h
index df36cdc..215e832 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -54,6 +54,12 @@ extern "C" {
extern void unlock_stream (FILE *);
+/* If the OS supports it, ensure that the standard I/O streams, stdin,
+ stdout and stderr are setup to avoid any multi-threaded locking.
+ Otherwise do nothing. */
+
+extern void unlock_std_streams (void);
+
/* Open and return a FILE pointer. If the OS supports it, ensure that
the stream is setup to avoid any multi-threaded locking. Otherwise
return the FILE pointer unchanged. */
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index a92bcdc..9956cf5 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,9 @@
+2005-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fopen_unlocked.c (unlock_std_streams): New.
+
+ * functions.texi: Regenerate.
+
2005-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* fopen_unlocked.c (unlock_stream): New.
diff --git a/libiberty/fopen_unlocked.c b/libiberty/fopen_unlocked.c
index 8f9f300..84e3be5 100644
--- a/libiberty/fopen_unlocked.c
+++ b/libiberty/fopen_unlocked.c
@@ -28,6 +28,14 @@ pointer unchanged. If the @var{stream} is @code{NULL} do nothing.
@end deftypefn
+@deftypefn Extension void unlock_std_streams (void)
+
+If the OS supports it, ensure that the standard I/O streams,
+@code{stdin}, @code{stdout} and @code{stderr} are setup to avoid any
+multi-threaded locking. Otherwise do nothing.
+
+@end deftypefn
+
@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fopen}. If the
@@ -80,11 +88,19 @@ unlock_1 (FILE *const fp ATTRIBUTE_UNUSED)
}
void
-unlock_stream(FILE *fp)
+unlock_stream (FILE *fp)
{
unlock_1 (fp);
}
+void
+unlock_std_streams (void)
+{
+ unlock_1 (stdin);
+ unlock_1 (stdout);
+ unlock_1 (stderr);
+}
+
FILE *
fopen_unlocked (const char *path, const char *mode)
{
diff --git a/libiberty/functions.texi b/libiberty/functions.texi
index e55d2d5..ac97726 100644
--- a/libiberty/functions.texi
+++ b/libiberty/functions.texi
@@ -176,7 +176,7 @@ the possibility of a GCC built-in function.
@end deftypefn
-@c asprintf.c:29
+@c asprintf.c:32
@deftypefn Extension int asprintf (char **@var{resptr}, const char *@var{format}, ...)
Like @code{sprintf}, but instead of passing a pointer to a buffer, you
@@ -237,7 +237,7 @@ is respectively less than, matching, or greater than the array member.
@end deftypefn
-@c argv.c:121
+@c argv.c:124
@deftypefn Extension char** buildargv (char *@var{sp})
Given a pointer to a string, parse the string extracting fields
@@ -318,7 +318,7 @@ pointer encountered. Pointers to empty strings are ignored.
@end deftypefn
-@c argv.c:49
+@c argv.c:52
@deftypefn Extension char** dupargv (char **@var{vector})
Duplicate an argument vector. Simply scans through @var{vector},
@@ -362,7 +362,7 @@ and inode numbers.
@end deftypefn
-@c fopen_unlocked.c:40
+@c fopen_unlocked.c:48
@deftypefn Extension FILE * fdopen_unlocked (int @var{fildes}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fdopen}. If the
@@ -431,7 +431,7 @@ Ignores case when performing the comparison.
@end deftypefn
-@c fopen_unlocked.c:31
+@c fopen_unlocked.c:39
@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fopen}. If the
@@ -441,7 +441,7 @@ unchanged.
@end deftypefn
-@c argv.c:94
+@c argv.c:97
@deftypefn Extension void freeargv (char **@var{vector})
Free an argument vector that was built using @code{buildargv}. Simply
@@ -451,7 +451,7 @@ itself.
@end deftypefn
-@c fopen_unlocked.c:49
+@c fopen_unlocked.c:57
@deftypefn Extension FILE * freopen_unlocked (const char * @var{path}, const char * @var{mode}, FILE * @var{stream})
Opens and returns a @code{FILE} pointer via @code{freopen}. If the
@@ -510,7 +510,7 @@ that @var{tz} be NULL. Returns 0 on success, -1 on failure.
@end deftypefn
-@c hex.c:30
+@c hex.c:33
@deftypefn Extension void hex_init (void)
Initializes the array mapping the current character set to
@@ -520,7 +520,7 @@ default ASCII-based table will normally be used on ASCII systems.
@end deftypefn
-@c hex.c:39
+@c hex.c:42
@deftypefn Extension int hex_p (int @var{c})
Evaluates to non-zero if the given character is a valid hex character,
@@ -529,7 +529,7 @@ or zero if it is not. Note that the value you pass will be cast to
@end deftypefn
-@c hex.c:47
+@c hex.c:50
@deftypefn Extension {unsigned int} hex_value (int @var{c})
Returns the numeric equivalent of the given character when interpreted
@@ -1201,6 +1201,15 @@ was made to unlink the file because it is special.
@end deftypefn
+@c fopen_unlocked.c:31
+@deftypefn Extension void unlock_std_streams (void)
+
+If the OS supports it, ensure that the standard I/O streams,
+@code{stdin}, @code{stdout} and @code{stderr} are setup to avoid any
+multi-threaded locking. Otherwise do nothing.
+
+@end deftypefn
+
@c fopen_unlocked.c:23
@deftypefn Extension void unlock_stream (FILE * @var{stream})