vserver 1.9.3

[linux-2.6.git] / arch / um / kernel / frame.c

diff --git a/arch/um/kernel/frame.c b/arch/um/kernel/frame.c
index d8993f2..4b349f2 100644 (file)
--- a/arch/um/kernel/frame.c
+++ b/arch/um/kernel/frame.c
@@ -21,6 +21,7 @@
 #include "sysdep/sigcontext.h"
 #include "frame_user.h"
 #include "kern_util.h"
+#include "user_util.h"
 #include "ptrace_user.h"
 #include "os.h"
 
@@ -40,7 +41,7 @@ static int capture_stack(int (*child)(void *arg), void *arg, void *sp,
        /* Wait for it to stop itself and continue it with a SIGUSR1 to force 
         * it into the signal handler.
         */
-       n = waitpid(pid, &status, WUNTRACED);
+       CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
        if(n < 0){
                printf("capture_stack : waitpid failed - errno = %d\n", errno);
                exit(1);
@@ -60,7 +61,7 @@ static int capture_stack(int (*child)(void *arg), void *arg, void *sp,
         * At this point, the handler has stuffed the addresses of
         * sig, sc, and SA_RESTORER in raw.
         */
-       n = waitpid(pid, &status, WUNTRACED);
+       CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
        if(n < 0){
                printf("capture_stack : waitpid failed - errno = %d\n", errno);
                exit(1);
@@ -82,7 +83,8 @@ static int capture_stack(int (*child)(void *arg), void *arg, void *sp,
                       errno);
                exit(1);
        }
-       if(waitpid(pid, &status, 0) < 0){
+       CATCH_EINTR(n = waitpid(pid, &status, 0));
+       if(n < 0){
                printf("capture_stack : waitpid failed - errno = %d\n", errno);
                exit(1);
        }
@@ -279,7 +281,7 @@ void capture_signal_stack(void)
        struct sc_frame_raw raw_sc;
        struct si_frame_raw raw_si;
        void *stack, *sigstack;
-       unsigned long top, sig_top, base;
+       unsigned long top, base;
 
        stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC,
                     MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
@@ -292,7 +294,6 @@ void capture_signal_stack(void)
        }
 
        top = (unsigned long) stack + PAGE_SIZE - sizeof(void *);
-       sig_top = (unsigned long) sigstack + PAGE_SIZE;
 
        /* Get the sigcontext, no sigrestorer layout */
        raw_sc.restorer = 0;