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11c981a9 | 1 | /* Low-level statistical profiling support function. Stub version. |
478b92f0 UD |
2 | Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. | |
11c981a9 | 4 | |
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5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
11c981a9 | 9 | |
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10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
11c981a9 | 14 | |
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15 | You should have received a copy of the GNU Library General Public |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
11c981a9 RM |
19 | |
20 | #include <sys/types.h> | |
21 | #include <unistd.h> | |
22 | #include <errno.h> | |
23 | ||
24 | /* Enable statistical profiling, writing samples of the PC into at most | |
25 | SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling | |
26 | is enabled, the system examines the user PC and increments | |
27 | SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero, | |
28 | disable profiling. Returns zero on success, -1 on error. */ | |
29 | ||
30 | int | |
31 | profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) | |
32 | { | |
33 | if (scale == 0) | |
34 | /* Disable profiling. */ | |
35 | return 0; | |
36 | ||
c4029823 | 37 | __set_errno (ENOSYS); |
11c981a9 RM |
38 | return -1; |
39 | } | |
40 | stub_warning (profil) |