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Cosmetic cleanup from SIGCHLD changes

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5514 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2013-01-13 00:35:47 +00:00
parent e3b0979fcf
commit 77960c8ca8
1 changed files with 6 additions and 1 deletions
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7
examples/ostest/sighand.c
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@ -57,7 +57,12 @@ static bool threadexited = false;
#ifdef CONFIG_SCHED_HAVE_PARENT
static void death_of_child(int signo, siginfo_t *info, void *ucontext)
{
/* Use of printf in a signal handler is NOT safe! It can cause deadlocks! */
/* Use of printf in a signal handler is NOT safe! It can cause deadlocks!
* Also, signals are not queued by NuttX. As a consequence, some
* notifications will get lost (or the info data can be overwrittedn)!
* Because POSIX does not require signals to be queued, I do not think
* that this is a bug (the overwriting is a bug, however).
*/
if (info)
{