X-Git-Url: https://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=include%2Fusterr.h;h=6b8817764803f66f55bb2b19ddac83d8987f34bb;hp=ed6d04e87c44a52d4b9398a2c25148b10997c6c1;hb=bf0d695d692163edb23b8fbbbd976387dfef232d;hpb=5a000089fda0ac1a519f79640c376ac54b6cd1c0 diff --git a/include/usterr.h b/include/usterr.h index ed6d04e..6b88177 100644 --- a/include/usterr.h +++ b/include/usterr.h @@ -6,6 +6,7 @@ #include #include #include +#include #include "share.h" @@ -22,6 +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. */ \ @@ -31,7 +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; \ @@ -45,13 +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)