Messages in this thread Patch in this message | | | Subject | [PATCH 6/8] UML - Block SIGWINCH in ptrace tester child | Date | Mon, 06 Feb 2006 21:24:03 -0500 | From | Jeff Dike <> |
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The process that UML uses to probe the host's ptrace capabilities can (rarely) receive a SIGWINCH, confusing the parent. This fixes that by blocking SIGWINCH.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.15/arch/um/os-Linux/start_up.c =================================================================== --- linux-2.6.15.orig/arch/um/os-Linux/start_up.c 2006-02-06 17:33:55.000000000 -0500 +++ linux-2.6.15/arch/um/os-Linux/start_up.c 2006-02-06 17:36:29.000000000 -0500 @@ -49,6 +49,7 @@ static int ptrace_child(void *arg) int pid = os_getpid(), ppid = getppid(); int sc_result; + change_sig(SIGWINCH, 0); if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){ perror("ptrace"); os_kill_process(pid, 0); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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