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author | rsc <devnull@localhost> | 2005-01-11 21:28:00 +0000 |
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committer | rsc <devnull@localhost> | 2005-01-11 21:28:00 +0000 |
commit | 37cc72d323478b1d98ee741e3d88557d141e7767 (patch) | |
tree | 41906698bec7e235fc39b6a145a3d1335b66a2f2 /src | |
parent | e9dbe11dbf43197892680f3b5084cd12b6dc198b (diff) | |
download | plan9port-37cc72d323478b1d98ee741e3d88557d141e7767.tar.gz plan9port-37cc72d323478b1d98ee741e3d88557d141e7767.tar.bz2 plan9port-37cc72d323478b1d98ee741e3d88557d141e7767.zip |
paranoia
Diffstat (limited to 'src')
-rw-r--r-- | src/libthread/daemonize.c | 10 | ||||
-rw-r--r-- | src/libthread/thread.c | 9 |
2 files changed, 17 insertions, 2 deletions
diff --git a/src/libthread/daemonize.c b/src/libthread/daemonize.c index 8f4d5eee..c6e00d19 100644 --- a/src/libthread/daemonize.c +++ b/src/libthread/daemonize.c @@ -38,7 +38,15 @@ child(void) raise(WTERMSIG(status)); _exit(98); /* not reached */ } - fprint(2, "%s: wait pid %d status 0x%ux\n", pid, status); + if(WIFSTOPPED(status)){ + fprint(2, "%s: wait pid %d stopped\n", argv0, pid); + return; + } + if(WIFCONTINUED(status)){ + fprint(2, "%s: wait pid %d continued\n", argv0, pid); + return; + } + fprint(2, "%s: wait pid %d status 0x%ux\n", argv0, pid, status); _exit(99); } diff --git a/src/libthread/thread.c b/src/libthread/thread.c index 550cc056..2b6d1e37 100644 --- a/src/libthread/thread.c +++ b/src/libthread/thread.c @@ -112,12 +112,19 @@ threadalloc(void (*fn)(void*), void *arg, uint stack) sigprocmask(SIG_BLOCK, &zero, &t->context.uc.uc_sigmask); /* must initialize with current context */ - getcontext(&t->context.uc); + if(getcontext(&t->context.uc) < 0) + sysfatal("threadalloc getcontext: %r"); /* call makecontext to do the real work. */ /* leave a few words open on both ends */ t->context.uc.uc_stack.ss_sp = t->stk+8; t->context.uc.uc_stack.ss_size = t->stksize-64; +#ifdef __sun__ /* sigh */ + /* can avoid this with __MAKECONTEXT_V2_SOURCE but only on SunOS 5.9 */ + t->context.uc_stack.ss_sp = + (char*)t->context.uc_stack.ss_sp + +t->context.uc_stack.ss_size; +#endif makecontext(&t->context.uc, (void(*)())threadstart, 1, t); return t; |