X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Fusterr.h;h=6b8817764803f66f55bb2b19ddac83d8987f34bb;hb=920bdf719a175cc0e542e2f001e7d01f230412c1;hp=12a4214028eb45a1f9d5b8a1c27d8bfb752d4e5e;hpb=025490141683540acf97e05086aa8b2b1ee4797b;p=ust.git diff --git a/include/usterr.h b/include/usterr.h index 12a4214..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; \ @@ -46,12 +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) #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)