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59b161cd PMF |
1 | #ifndef USTERR_H |
2 | #define USTERR_H | |
3 | ||
d61bfa72 | 4 | #include <string.h> |
dd80aafe PMF |
5 | #include <sys/types.h> |
6 | #include <sys/syscall.h> | |
7 | #include <errno.h> | |
d61bfa72 | 8 | |
2028e7fd PMF |
9 | #ifndef UST_COMPONENT |
10 | //#error UST_COMPONENT is undefined | |
11 | #define UST_COMPONENT libust | |
12 | #endif | |
13 | ||
14 | /* To stringify the expansion of a define */ | |
15 | #define XSTR(d) STR(d) | |
16 | #define STR(s) #s | |
17 | ||
18 | #define UST_STR_COMPONENT XSTR(UST_COMPONENT) | |
19 | ||
dd80aafe PMF |
20 | #define ERRMSG(fmt, args...) do { fprintf(stderr, UST_STR_COMPONENT "[%ld/%ld]: " fmt " (" __FILE__ ":" XSTR(__LINE__) ")\n", (long) getpid(), (long) syscall(SYS_gettid), ## args); fflush(stderr); } while(0) |
21 | ||
2028e7fd | 22 | #define DEBUG |
17674885 | 23 | #ifdef DEBUG |
dd80aafe | 24 | # define DBG(fmt, args...) ERRMSG(fmt, ## args) |
17674885 PMF |
25 | #else |
26 | # define DBG(fmt, args...) do {} while(0) | |
27 | #endif | |
dd80aafe PMF |
28 | #define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args) |
29 | #define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args) | |
30 | #define BUG(fmt, args...) ERRMSG("BUG: " fmt, ## args) | |
d61bfa72 PMF |
31 | |
32 | #if (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE) | |
33 | #define PERROR(call, args...)\ | |
34 | do { \ | |
35 | char buf[200] = "Error in strerror_r()"; \ | |
36 | strerror_r(errno, buf, sizeof(buf)); \ | |
dd80aafe | 37 | ERRMSG("Error: " call ": %s", ## args, buf); \ |
d61bfa72 PMF |
38 | } while(0); |
39 | #else | |
40 | #define PERROR(call, args...)\ | |
41 | do { \ | |
42 | char *buf; \ | |
43 | char tmp[200]; \ | |
44 | buf = strerror_r(errno, tmp, sizeof(tmp)); \ | |
dd80aafe | 45 | ERRMSG("Error: " call ": %s", ## args, buf); \ |
d61bfa72 PMF |
46 | } while(0); |
47 | #endif | |
c9b64079 PMF |
48 | |
49 | #define BUG_ON(condition) do { if (unlikely(condition)) ERR("condition not respected (BUG)"); } while(0) | |
5f54827b | 50 | #define WARN_ON(condition) do { if (unlikely(condition)) WARN("condition not respected on line %s:%d", __FILE__, __LINE__); } while(0) |
c9b64079 | 51 | |
59b161cd | 52 | #endif /* USTERR_H */ |