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comparison libbacktrace/backtrace.h @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
comparison
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131:84e7813d76e9 145:1830386684a0
1 /* backtrace.h -- Public header file for stack backtrace library. 1 /* backtrace.h -- Public header file for stack backtrace library.
2 Copyright (C) 2012-2018 Free Software Foundation, Inc. 2 Copyright (C) 2012-2020 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor, Google. 3 Written by Ian Lance Taylor, Google.
4 4
5 Redistribution and use in source and binary forms, with or without 5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are 6 modification, are permitted provided that the following conditions are
7 met: 7 met:
92 use appropriate atomic operations. If THREADED is zero the state 92 use appropriate atomic operations. If THREADED is zero the state
93 may only be accessed by one thread at a time. This returns a state 93 may only be accessed by one thread at a time. This returns a state
94 pointer on success, NULL on error. If an error occurs, this will 94 pointer on success, NULL on error. If an error occurs, this will
95 call the ERROR_CALLBACK routine. 95 call the ERROR_CALLBACK routine.
96 96
97 Calling this function allocates resources that can not be freed. 97 Calling this function allocates resources that cannot be freed.
98 There is no backtrace_free_state function. The state is used to 98 There is no backtrace_free_state function. The state is used to
99 cache information that is expensive to recompute. Programs are 99 cache information that is expensive to recompute. Programs are
100 expected to call this function at most once and to save the return 100 expected to call this function at most once and to save the return
101 value for all later calls to backtrace functions. */ 101 value for all later calls to backtrace functions. */
102 102