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#2565 use atomic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-17 18:15:08 -07:00
parent 04ae00048d
commit c68cfe878e
2 changed files with 3 additions and 2 deletions
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3
scripts/update_api.py
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@ -1687,8 +1687,9 @@ def write_log_h_preamble(log_h):
log_h.write('#endif\n')
#
log_h.write('#include<iostream>\n')
log_h.write('#include<atomic>\n')
log_h.write('extern std::ostream * g_z3_log;\n')
log_h.write('extern bool g_z3_log_enabled;\n')
log_h.write('extern std::atomic<bool> g_z3_log_enabled;\n')
log_h.write('class z3_log_ctx { bool m_prev; public: z3_log_ctx():m_prev(g_z3_log_enabled) { g_z3_log_enabled = false; } ~z3_log_ctx() { g_z3_log_enabled = m_prev; } bool enabled() const { return m_prev; } };\n')
log_h.write('inline void SetR(void * obj) { *g_z3_log << "= " << obj << "\\n"; }\ninline void SetO(void * obj, unsigned pos) { *g_z3_log << "* " << obj << " " << pos << "\\n"; } \ninline void SetAO(void * obj, unsigned pos, unsigned idx) { *g_z3_log << "@ " << obj << " " << pos << " " << idx << "\\n"; }\n')
log_h.write('#define RETURN_Z3(Z3RES) if (_LOG_CTX.enabled()) { SetR(Z3RES); } return Z3RES\n')

2
src/api/api_log.cpp
View file

@ -23,7 +23,7 @@ Revision History:
#include "util/z3_version.h"
std::ostream * g_z3_log = nullptr;
bool g_z3_log_enabled = false;
std::atomic<bool> g_z3_log_enabled = false;
#ifdef Z3_LOG_SYNC
static std::mutex g_log_mux;