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| author | Pedro Alves <palves@redhat.com> | 2011-10-11 13:58:18 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2011-10-11 13:58:18 +0000 |
| commit | ea23808b14438001e2c481a510ca5acb886ca2d4 (patch) | |
| tree | 50a6a4715b8b6014ad638172249494a7b66b2fee /gdb/linux-nat.c | |
| parent | 904578edab299a982654a3ec01709097a6ed5661 (diff) | |
| download | gdb-ea23808b14438001e2c481a510ca5acb886ca2d4.zip gdb-ea23808b14438001e2c481a510ca5acb886ca2d4.tar.gz gdb-ea23808b14438001e2c481a510ca5acb886ca2d4.tar.bz2 | |
2011-10-11 Pedro Alves <pedro@codesourcery.com>
gdb/
* linux-nat.c (linux_lwp_is_zombie): Return early if the LWP is
not zombie instead of reading the whole file.
Diffstat (limited to 'gdb/linux-nat.c')
| -rw-r--r-- | gdb/linux-nat.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 411afdc..5c80114 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -2382,7 +2382,8 @@ linux_lwp_is_zombie (long lwp) { char buffer[MAXPATHLEN]; FILE *procfile; - int retval = 0; + int retval; + int have_state; xsnprintf (buffer, sizeof (buffer), "/proc/%ld/status", lwp); procfile = fopen (buffer, "r"); @@ -2391,14 +2392,17 @@ linux_lwp_is_zombie (long lwp) warning (_("unable to open /proc file '%s'"), buffer); return 0; } + + have_state = 0; while (fgets (buffer, sizeof (buffer), procfile) != NULL) - if (strcmp (buffer, "State:\tZ (zombie)\n") == 0) + if (strncmp (buffer, "State:", 6) == 0) { - retval = 1; + have_state = 1; break; } + retval = (have_state + && strcmp (buffer, "State:\tZ (zombie)\n") == 0); fclose (procfile); - return retval; } |