X-Git-Url: https://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=include%2Fusterr.h;h=6b8817764803f66f55bb2b19ddac83d8987f34bb;hp=a32b0b6603d66a347409bcbd66bcbc96961182df;hb=bf0d695d692163edb23b8fbbbd976387dfef232d;hpb=c1f205309da615f1f0c68beedf37365942246537 diff --git a/include/usterr.h b/include/usterr.h index a32b0b6..6b88177 100644 --- a/include/usterr.h +++ b/include/usterr.h @@ -23,6 +23,8 @@ * signal handlers, so we must use a print method which is signal safe. */ +extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...); + #define sigsafe_print_err(fmt, args...) \ { \ /* Can't use dynamic allocation. Limit ourselves to 250 chars. */ \ @@ -32,7 +34,7 @@ /* Save the errno. */ \ ____saved_errno = errno; \ \ - snprintf(____buf, sizeof(____buf), fmt, ## args); \ + ust_safe_snprintf(____buf, sizeof(____buf), fmt, ## args); \ \ /* Add end of string in case of buffer overflow. */ \ ____buf[sizeof(____buf)-1] = 0; \ @@ -46,13 +48,14 @@ #define UST_STR_COMPONENT XSTR(UST_COMPONENT) -#define ERRMSG(fmt, args...) do { sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (" __FILE__ ":" XSTR(__LINE__) ")\n", (long) getpid(), (long) syscall(SYS_gettid), ## args); fflush(stderr); } while(0) +#define ERRMSG(fmt, args...) do { sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" XSTR(__LINE__) ")\n", (long) getpid(), (long) syscall(SYS_gettid), ## args, __func__); fflush(stderr); } while(0) -/*#define DEBUG*/ -#ifdef DEBUG +#ifdef UST_DEBUG # define DBG(fmt, args...) ERRMSG(fmt, ## args) +# define DBG_raw(fmt, args...) do { sigsafe_print_err(fmt, ## args); fflush(stderr); } while(0) #else # define DBG(fmt, args...) do {} while(0) +# define DBG_raw(fmt, args...) do {} while(0) #endif #define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args) #define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)