UML - stub needs to tolerate SIGWINCH

PATCH In review Jeff Dike 1 participant 1 message Jun 3, 2008 User-mode Linux (UML)

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Jeff Dike

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2008-06-03 19:03 UTC #0 lore raw

PATCH 5/6 UML - stub needs to tolerate SIGWINCH

We lost the marking of SIGWINCH as being OK to receive during stub execution, causing a panic should that happen.

Cc Benedict Verheyen <[email protected]>

Signed-off-by Jeff Dike <[email protected]>

---
 arch/um/os-Linux/skas/process.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

arch/um/os-Linux/skas/process.c +1 -1

Index: linux-2.6.22/arch/um/os-Linux/skas/process.c
===================================================================
@@ -55,7 +55,7 @@ static int ptrace_dump_regs(int pid)
  * Signals that are OK to receive in the stub - we'll just continue it.
  * SIGWINCH will happen when UML is inside a detached screen.
  */
-#define STUB_SIG_MASK (1 << SIGVTALRM)
+#define STUB_SIG_MASK ((1 << SIGVTALRM) | (1 << SIGWINCH))
 
 /* Signals that the stub will finish with - anything else is an error */
 #define STUB_DONE_MASK (1 << SIGTRAP)

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