diff options
author | deischen <deischen@FreeBSD.org> | 2001-03-01 05:22:14 +0000 |
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committer | deischen <deischen@FreeBSD.org> | 2001-03-01 05:22:14 +0000 |
commit | 2d1163e370d4fb97297838d1fe7872a653dce6bb (patch) | |
tree | 56a1f702941fc746f602720d30a3421e37510f80 /lib/libc/stdio/local.h | |
parent | 242ddf3c95fd6a4a22fdc278c485bbbcffe01ae8 (diff) | |
download | FreeBSD-src-2d1163e370d4fb97297838d1fe7872a653dce6bb.zip FreeBSD-src-2d1163e370d4fb97297838d1fe7872a653dce6bb.tar.gz |
Hide the definition of struct __sFILEX and add the needed
lock definitions to it. flockfile state is now allocated
along with the rest of FILE. This eliminates the need for a
separate allocation of flockfile state as well as eliminating
the mutex/lock used to serialize its allocation.
Diffstat (limited to 'lib/libc/stdio/local.h')
-rw-r--r-- | lib/libc/stdio/local.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/libc/stdio/local.h b/lib/libc/stdio/local.h index 2f95a58..4f5242a 100644 --- a/lib/libc/stdio/local.h +++ b/lib/libc/stdio/local.h @@ -39,6 +39,7 @@ */ #include <sys/types.h> /* for off_t */ +#include <pthread.h> /* * Information local to this implementation of stdio, @@ -67,6 +68,15 @@ extern int __vfprintf __P((FILE *, const char *, _BSD_VA_LIST_)); extern int __sdidinit; + +/* hold a buncha junk that would grow the ABI */ +struct __sFILEX { + unsigned char *_up; /* saved _p when _p is doing ungetc data */ + pthread_mutex_t fl_mutex; /* used for MT-safety */ + pthread_t fl_owner; /* current owner */ + int fl_count; /* recursive lock count */ +}; + /* * Return true iff the given FILE cannot be written now. */ |