1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
#ifndef _h_test_
#define _h_test_
#include <stdio.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
int _thread_sys_write __P((int, const char*, size_t));
__dead void _thread_sys__exit __P((int)) __attribute__((noreturn));
void _thread_dump_info __P((void));
static __dead void __vpanic __P((const char *, const char *, const char *,
int, const char *, va_list)) __attribute__((noreturn));
static __dead void __panic __P((const char *, const char *, const char *,
int, const char *, ...)) __attribute__((noreturn));
static void
__vpanic(type, errstr, filenm, lineno, fmt, ap)
const char *type;
const char *errstr;
const char *filenm;
int lineno;
const char *fmt;
va_list ap;
{
char buf[1024];
/* "<type> at <filenm>:<lineno>: <fmt ap...>:<errstr>" */
snprintf(buf, sizeof buf, "%s at %s:%d\n", type, filenm, lineno);
_thread_sys_write(2, buf, strlen(buf));
vsnprintf(buf, sizeof buf, fmt, ap);
if (errstr != NULL) {
strlcat(buf, ": ", sizeof buf);
strlcat(buf, errstr, sizeof buf);
}
strlcat(buf, "\n", sizeof buf);
_thread_sys_write(2, buf, strlen(buf));
_thread_dump_info();
_thread_sys__exit(1);
_thread_sys_write(2, "[locking]\n", 10);
while(1);
}
static void
__panic(type, errstr, filenm, lineno, fmt)
const char *type;
const char *errstr;
const char *filenm;
int lineno;
const char *fmt;
{
va_list ap;
va_start(ap, fmt);
__vpanic(type, errstr, filenm, lineno, fmt, ap);
va_end(ap);
}
#define DIE(e, m, args...) \
__panic("died", strerror(e), __FILE__, __LINE__, m , ## args)
#define PANIC(m, args...) \
__panic("panic", NULL, __FILE__, __LINE__, m, ## args)
#define ASSERT(x) do { \
if (!(x)) \
__panic("assert failed", NULL, __FILE__, __LINE__, "%s", #x); \
} while(0)
#define ASSERTe(x,rhs) do { \
int _x; \
_x = (x); \
if (!(_x rhs)) \
__panic("assert failed", strerror(_x), __FILE__, __LINE__, \
"%s %s", #x, #rhs); \
} while(0)
#define _CHECK(x, rhs, efn) do { \
int _x; \
_x = (int)(x); \
if (!(_x rhs)) \
__panic("check failed", efn, __FILE__, __LINE__, \
"failed check %s %s", #x, #rhs); \
} while(0)
#define CHECKr(x) _CHECK(x, == 0, strerror(_x))
#define CHECKe(x) _CHECK(x, != -1, strerror(errno))
#define CHECKn(x) _CHECK(x, != 0, strerror(errno))
#define CHECKhn(x) _CHECK(x, != 0, hstrerror(h_errno))
#define CHECKen(x) _CHECK(x, != 0, strerror(errno))
#define SUCCEED exit(0)
#define OK (0)
#define NOTOK (-1)
#endif _h_test_
|
