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| author | Roland McGrath <roland@gnu.org> | 1995-03-27 10:00:09 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-03-27 10:00:09 +0000 |
| commit | 1474b80f017c2fcc18b1de5bbc51884650d30582 (patch) | |
| tree | 1baa3c89ef3802cda051fa7f8f9c9bb8c0bf6abd /setjmp | |
| parent | d365fd2cfa4248fcce18fc60d3d90598aa1f534b (diff) | |
| download | glibc-1474b80f017c2fcc18b1de5bbc51884650d30582.zip glibc-1474b80f017c2fcc18b1de5bbc51884650d30582.tar.gz glibc-1474b80f017c2fcc18b1de5bbc51884650d30582.tar.bz2 | |
Mon Mar 27 02:23:15 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* posix/unistd.h [__USE_BSD] (ttyslot): Declare it.
* posix/unistd.h [__USE_BSD] (L_SET, L_INCR, L_XTND): Define
unless L_SET already defined.
* misc/sys/file.h (L_SET, L_INCR, L_XTND): Don't define if L_SET
already defined.
Incorporated -lutil library from 4.4-Lite.
* misc/Makefile (extra-libs, libutil-routines): New variables.
* misc/login.c, misc/login_tty.c, misc/logout.c, misc/logwtmp.c,
sysdeps/generic/pty.c: New files for -lutil incorporated from 4.4-Lite.
Support simple, light-weight unwind-protect mechanism for longjmp.
* setjmp/longjmp.c: Call _longjmp_unwind first thing.
* sysdeps/mach/hurd/jmp-unwind.c: New file.
* sysdeps/stub/jmp-unwind.c: New file.
* sysdeps/i386/jmp_buf.h (_JMPBUF_UNWINDS): New macro.
* sysdeps/mips/jmp_buf.h (_JMPBUF_UNWINDS): New macro.
* setjmp/Makefile (routines): Add jmp-unwind.
* hurd/hurd/userlink.h (struct hurd_userlink): Move `next' and
`prevp' members into new substructure `resource'; add another such
substructure `thread' and members `cleanup' (function ptr) and
`cleanup_data' (generic ptr).
(_hurd_userlink_link, _hurd_userlink_unlink): Insert/remove LINK
into the `_hurd_self_sigstate ()->active_resources' list via the
`thread' substructure.
* hurd/hurd/port.h (_hurd_port_cleanup): Declare it.
(_hurd_port_locked_get): Set LINK->cleanup to _hurd_port_cleanup and
LINK->cleanup_data' to the port extracted.
* hurd/hurd/signal.h (struct hurd_sigstate): New member
`active_resources'.
* hurd/port-cleanup.c: New file.
* hurd/Makefile (routines): Add port-cleanup.
* malloc/malloc.c: Include errno.h.
Sat Mar 25 18:24:21 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* locale/loadlocale.c (_nl_load_locale): Avoid */ inside comment.
Diffstat (limited to 'setjmp')
| -rw-r--r-- | setjmp/Makefile | 2 | ||||
| -rw-r--r-- | setjmp/longjmp.c | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/setjmp/Makefile b/setjmp/Makefile index 4a7e4aa..4773b61 100644 --- a/setjmp/Makefile +++ b/setjmp/Makefile @@ -24,7 +24,7 @@ subdir := setjmp headers := setjmp.h jmp_buf.h routines := setjmp sigjmp bsd-setjmp bsd-_setjmp \ - longjmp __longjmp + longjmp __longjmp jmp-unwind tests := tst-setjmp diff --git a/setjmp/longjmp.c b/setjmp/longjmp.c index d4e4ef7..c70be7b 100644 --- a/setjmp/longjmp.c +++ b/setjmp/longjmp.c @@ -21,12 +21,17 @@ Cambridge, MA 02139, USA. */ #include <signal.h> +extern void _longjmp_unwind (jmp_buf env, int val); + /* Set the signal mask to the one specified in ENV, and jump to the position specified in ENV, causing the setjmp call there to return VAL, or 1 if VAL is 0. */ void longjmp (sigjmp_buf env, int val) { + /* Perform any cleanups needed by the frames being unwound. */ + _longjmp_unwind (env, val); + if (env[0].__mask_was_saved) /* Restore the saved signal mask. */ (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask, |