diff options
| author | Roland McGrath <roland@gnu.org> | 1992-10-19 23:56:43 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1992-10-19 23:56:43 +0000 |
| commit | 5d124dc4f008682b5885e01ddcadeab41c7f2b66 (patch) | |
| tree | 0b1ea5b3f59a319e681dd273008bac8441eaae14 /manual/examples | |
| parent | 77b94d776c2700f21953625c38418a1df1181325 (diff) | |
Add @group...@end group where needed.
Diffstat (limited to 'manual/examples')
| -rw-r--r-- | manual/examples/sigusr.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/manual/examples/sigusr.c b/manual/examples/sigusr.c index 59e7320235..11e3ceee8f 100644 --- a/manual/examples/sigusr.c +++ b/manual/examples/sigusr.c @@ -1,10 +1,11 @@ +/*@group*/ #include <signal.h> #include <stdio.h> #include <sys/types.h> #include <unistd.h> +/*@end group*/ /* When a @code{SIGUSR1} signal arrives, set this variable. */ - volatile sig_atomic_t usr_interrupt = 0; void @@ -13,9 +14,7 @@ synch_signal (int sig) usr_interrupt = 1; } - /* The child process executes this function. */ - void child_function (void) { @@ -26,11 +25,10 @@ child_function (void) kill (getppid (), SIGUSR1); /* Continue with execution. */ - printf ("Bye, now....\n"); + puts ("Bye, now...."); exit (0); } - int main (void) { @@ -48,13 +46,16 @@ main (void) /* Create the child process. */ child_id = fork (); if (child_id == 0) - child_function (); /* Does not return */ + child_function (); /* Does not return. */ - /* Busy wait for child to send a signal. */ +/*@group*/ + /* Busy wait for the child to send a signal. */ while (!usr_interrupt) ; +/*@end group*/ /* Now continue execution. */ - printf ("That's all, folks!\n"); + puts ("That's all, folks!"); + return 0; } |