1 /* Copyright (C) 2001-2021 Free Software Foundation, Inc. 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 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. 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 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 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 */