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| author | Thomas Schwinge <thomas@codesourcery.com> | 2012-07-17 10:05:55 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2012-07-17 10:05:55 +0200 |
| commit | dc97c227c95dd521594f1eaa472399b9fba03b2a (patch) | |
| tree | f2bc659c7c01a07c39d2b28dee3a8c0744926ffd | |
| parent | aaf5420c6d1d2f0135a89d08f22200f0dc0777bd (diff) | |
| download | glibc-dc97c227c95dd521594f1eaa472399b9fba03b2a.zip glibc-dc97c227c95dd521594f1eaa472399b9fba03b2a.tar.gz glibc-dc97c227c95dd521594f1eaa472399b9fba03b2a.tar.bz2 | |
setcontext: Clarify termination when uc_link is the null pointer.
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | manual/setjmp.texi | 3 | ||||
| -rw-r--r-- | stdlib/tst-makecontext.c | 4 |
3 files changed, 13 insertions, 2 deletions
@@ -1,3 +1,11 @@ +2012-07-17 Thomas Schwinge <thomas@codesourcery.com> + Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * manual/setjmp.texi (setcontext): Clarify normal process + termination when uc_link is the null pointer. + * stdlib/tst-makecontext.c (cf): Exercise this: remove explicit + exit call. + 2012-07-16 Andreas Schwab <schwab@linux-m68k.org> * stdlib/bug-getcontext.c (do_test): Don't test FE_ALL_EXCEPT in diff --git a/manual/setjmp.texi b/manual/setjmp.texi index a5a7ce6..f13ac7b 100644 --- a/manual/setjmp.texi +++ b/manual/setjmp.texi @@ -354,7 +354,8 @@ specified parameters passed. If this function returns execution is resumed in the context which was referenced by the @code{uc_link} element of the context structure passed to @code{makecontext} at the time of the call. If @code{uc_link} was a null pointer the application -terminates in this case. +terminates normally with an exit status value of @code{EXIT_SUCCESS} +(@pxref{Program Termination}). Since the context contains information about the stack no two threads should use the same context at the same time. The result in most cases diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c index 3185900..eb6e89b 100644 --- a/stdlib/tst-makecontext.c +++ b/stdlib/tst-makecontext.c @@ -35,7 +35,9 @@ cf (int i) printf ("i %d thr %d\n", i, thr); exit (1); } - exit (0); + + /* Since uc_link below has been set to NULL, setcontext is supposed to + terminate the process normally after this function returns. */ } int |