Print out core dump limits at boot time. This is to allow core dumps to be collected if something goes very wrong and to tell if a core dump isn't going to happen because of a resource limit.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]> -- arch/um/os-Linux/start_up.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) Index: test/arch/um/os-Linux/start_up.c =================================================================== --- test.orig/arch/um/os-Linux/start_up.c 2007-03-06 10:21:43.000000000 -0500 +++ test/arch/um/os-Linux/start_up.c 2007-03-06 10:43:02.000000000 -0500 @@ -17,6 +17,7 @@ #include <sys/time.h> #include <sys/wait.h> #include <sys/mman.h> +#include <sys/resource.h> #include <asm/unistd.h> #include <asm/page.h> #include <sys/types.h> @@ -329,8 +330,32 @@ static void __init check_ptrace(void) extern void check_tmpexec(void); +static void check_coredump_limit(void) +{ + struct rlimit lim; + int err = getrlimit(RLIMIT_CORE, &lim); + + if(err){ + perror("Getting core dump limit"); + return; + } + + printf("Core dump limits :\n\tsoft - "); + if(lim.rlim_cur == RLIM_INFINITY) + printf("NONE\n"); + else printf("%lu\n", lim.rlim_cur); + + printf("\thard - "); + if(lim.rlim_max == RLIM_INFINITY) + printf("NONE\n"); + else printf("%lu\n", lim.rlim_max); +} + void os_early_checks(void) { + /* Print out the core dump limits early */ + check_coredump_limit(); + check_ptrace(); /* Need to check this early because mmapping happens before the - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/