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| author | Jeff Johnston <jjohnstn@redhat.com> | 2009-04-24 22:52:52 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2009-04-24 22:52:52 +0000 |
| commit | bcde12940007e836f7b831f1cdfda8dc2bda0c58 (patch) | |
| tree | d9894d46eb51edf603939d8506bf0b5f97b9fa87 /newlib/libc/stdio/gets.c | |
| parent | 35f31b6a983710aa9a2bd7e308d1567f326f3f5f (diff) | |
| download | cygnal-bcde12940007e836f7b831f1cdfda8dc2bda0c58.tar.gz cygnal-bcde12940007e836f7b831f1cdfda8dc2bda0c58.tar.bz2 cygnal-bcde12940007e836f7b831f1cdfda8dc2bda0c58.zip | |
2009-04-24 Jeff johnston <jjohnstn@redhat.com>
* libc/stdio/fgetc.c: Make sure sfp lock is acquired before the
file lock and released before the file lock to avoid a deadlock
scenario.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fgetwc.c: Ditto.
* libc/stdio/fgetws.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/gets.c: Ditto.
Diffstat (limited to 'newlib/libc/stdio/gets.c')
| -rw-r--r-- | newlib/libc/stdio/gets.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/newlib/libc/stdio/gets.c b/newlib/libc/stdio/gets.c index 17d144316..daa42e954 100644 --- a/newlib/libc/stdio/gets.c +++ b/newlib/libc/stdio/gets.c @@ -79,12 +79,14 @@ _DEFUN(_gets_r, (ptr, buf), register int c; register char *s = buf; + __sfp_lock_acquire (); _flockfile (stdin); while ((c = __sgetc_r (ptr, stdin)) != '\n') if (c == EOF) if (s == buf) { _funlockfile (stdin); + __sfp_lock_release (); return NULL; } else @@ -93,6 +95,7 @@ _DEFUN(_gets_r, (ptr, buf), *s++ = c; *s = 0; _funlockfile (stdin); + __sfp_lock_release (); return buf; } |