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| author | Michael Snyder <msnyder@vmware.com> | 2001-04-26 22:35:08 +0000 |
|---|---|---|
| committer | Michael Snyder <msnyder@vmware.com> | 2001-04-26 22:35:08 +0000 |
| commit | 4c8de859ccbed0e1e920ca42a8535fa0006566e7 (patch) | |
| tree | 6ed125531f32edb84d87a33e7cc524cd3677fdf6 | |
| parent | f3fb8c8501c80aa6996a09a438f8a1b7d132c631 (diff) | |
| download | gdb-4c8de859ccbed0e1e920ca42a8535fa0006566e7.zip gdb-4c8de859ccbed0e1e920ca42a8535fa0006566e7.tar.gz gdb-4c8de859ccbed0e1e920ca42a8535fa0006566e7.tar.bz2 | |
2001-04-26 Michael Snyder <msnyder@redhat.com>
* lin-lwp.c: Minor cleanups in comments.
| -rw-r--r-- | gdb/ChangeLog | 1 | ||||
| -rw-r--r-- | gdb/lin-lwp.c | 12 |
2 files changed, 7 insertions, 6 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f50d8a6..3b18a23 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,6 @@ 2001-04-26 Michael Snyder <msnyder@redhat.com> + * lin-lwp.c: Minor cleanups in comments. * target.c (normal_pid_to_str): Get rid of an ancient hack. * remote.c (remote_pid_to_str): New function for remote target. diff --git a/gdb/lin-lwp.c b/gdb/lin-lwp.c index ee1b844..56e7bb2 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; |