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| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-09 22:22:21 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-09 22:22:21 +0000 |
| commit | 5ef2d37b330420c89cd476afa83ca5a839094796 (patch) | |
| tree | 14979d91d54cbc2a116baba918dd6d8f05c77c76 /stdio-common | |
| parent | fbb802fc7dcc06b8f76bf75de7529edabdd19d4f (diff) | |
| download | glibc-5ef2d37b330420c89cd476afa83ca5a839094796.tar.gz glibc-5ef2d37b330420c89cd476afa83ca5a839094796.tar.xz glibc-5ef2d37b330420c89cd476afa83ca5a839094796.zip | |
Update.
1999-07-09 Ulrich Drepper <drepper@cygnus.com> * stdio-common/vfprintf.c (buffered_vfprintf): Add locking.
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/vfprintf.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index f167058d17..902a70df40 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -1886,6 +1886,10 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format, /* Now print to helper instead. */ result = vfprintf (hp, format, args); + /* Lock stream. */ + __libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s); + _IO_flockfile (s); + /* Now flush anything from the helper to the S. */ #ifdef COMPILE_WPRINTF if ((to_flush = (hp->_wide_data->_IO_write_ptr @@ -1893,16 +1897,20 @@ buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format, { if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush) != to_flush) - return -1; + result = -1; } #else if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0) { if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush) - return -1; + result = -1; } #endif + /* Unlock the stream. */ + _IO_funlockfile (s); + __libc_cleanup_region_end (0); + return result; } |