X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Flin-lwp.c;h=56e7bb238718e1d102f88e6297865c2310d7afd3;hb=4c8de859ccbed0e1e920ca42a8535fa0006566e7;hp=ee1b844c48e9c53c9ca61f1f0fa22b3b76baf0fa;hpb=f3fb8c8501c80aa6996a09a438f8a1b7d132c631;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/lin-lwp.c b/gdb/lin-lwp.c index ee1b844c48..56e7bb2387 100644 --- a/gdb/lin-lwp.c +++ b/gdb/lin-lwp.c @@ -63,7 +63,7 @@ extern const char *strsignal (int sig); cannot use it since GDB must work on older systems too. - When a traced, cloned process exits and is waited for by the - debugger, the kernel reassigns it to the origional parent and + debugger, the kernel reassigns it to the original parent and keeps it around as a "zombie". Somehow, the LinuxThreads library doesn't notice this, which leads to the "zombie problem": When debugged a multi-threaded process that spawns a lot of threads @@ -131,16 +131,16 @@ extern struct target_ops child_ops; /* Since we cannot wait (in lin_lwp_wait) for the initial process and any cloned processes with a single call to waitpid, we have to use - use the WNOHANG flag and call waitpid in a loop. To optimize + the WNOHANG flag and call waitpid in a loop. To optimize things a bit we use `sigsuspend' to wake us up when a process has something to report (it will send us a SIGCHLD if it has). To make this work we have to juggle with the signal mask. We save the - origional signal mask such that we can restore it before creating a + original signal mask such that we can restore it before creating a new process in order to avoid blocking certain signals in the inferior. We then block SIGCHLD during the waitpid/sigsuspend loop. */ -/* Origional signal mask. */ +/* Original signal mask. */ static sigset_t normal_mask; /* Signal mask for use with sigsuspend in lin_lwp_wait, initialized in @@ -900,7 +900,7 @@ lin_lwp_mourn_inferior (void) trap_pid = 0; - /* Restore the origional signal mask. */ + /* Restore the original signal mask. */ sigprocmask (SIG_SETMASK, &normal_mask, NULL); sigemptyset (&blocked_mask); @@ -1027,7 +1027,7 @@ _initialize_lin_lwp (void) add_target (&lin_lwp_ops); thread_db_init (&lin_lwp_ops); - /* Save the origional signal mask. */ + /* Save the original signal mask. */ sigprocmask (SIG_SETMASK, NULL, &normal_mask); action.sa_handler = sigchld_handler;