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6d7e8eda | 1 | /* Copyright (C) 2001-2023 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
4c48b267 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
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17 | |
18 | #ifndef _PROFIL_H | |
19 | #define _PROFIL_H 1 | |
20 | ||
21 | #include <features.h> | |
22 | ||
23 | #include <sys/time.h> | |
24 | #include <sys/types.h> | |
25 | ||
26 | /* This interface is intended to follow the sprofil() system calls as | |
27 | described by the sprofil(2) man page of Irix v6.5, except that: | |
28 | ||
29 | - there is no a priori limit on number of text sections | |
30 | - pr_scale is declared as unsigned long (instead of "unsigned int") | |
31 | - pr_size is declared as size_t (instead of "unsigned int") | |
32 | - pr_off is declared as void * (instead of "__psunsigned_t") | |
33 | - the overflow bin (pr_base==0, pr_scale==2) can appear anywhere | |
34 | in the profp array | |
35 | - PROF_FAST has no effect */ | |
36 | ||
37 | struct prof | |
38 | { | |
39 | void *pr_base; /* buffer base */ | |
40 | size_t pr_size; /* buffer size */ | |
41 | size_t pr_off; /* pc offset */ | |
42 | unsigned long int pr_scale; /* pc scaling (fixed-point number) */ | |
43 | }; | |
44 | ||
45 | enum | |
46 | { | |
47 | PROF_USHORT = 0, /* use 16-bit counters (default) */ | |
48 | PROF_UINT = 1 << 0, /* use 32-bit counters */ | |
49 | PROF_FAST = 1 << 1 /* profile faster than usual */ | |
50 | }; | |
51 | ||
52 | ||
53 | __BEGIN_DECLS | |
54 | ||
55 | extern int sprofil (struct prof *__profp, int __profcnt, | |
56 | struct timeval *__tvp, unsigned int __flags) __THROW; | |
57 | ||
58 | __END_DECLS | |
59 | ||
60 | #endif /* profil.h */ |