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2011-10-11 Pedro Alves <pedro@codesourcery.com>

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gdb/
	* linux-nat.c (linux_lwp_is_zombie): Return early if the LWP is
	not zombie instead of reading the whole file.
This commit is contained in:
Pedro Alves 2011-10-11 13:58:18 +00:00
parent 904578edab
commit ea23808b14
2 changed files with 13 additions and 4 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2011-10-11 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_lwp_is_zombie): Return early if the LWP is
not zombie instead of reading the whole file.
2011-10-11 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix separate debuginfo warning with "remote:" access.

12
gdb/linux-nat.c
View File

@ -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;
}