split out some modules and headers

[m6w6/ext-psi] / src / debug.h

diff --git a/src/debug.h b/src/debug.h
new file mode 100644 (file)
index 0000000..eee6d44
--- /dev/null
+++ b/src/debug.h
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ Copyright (c) 2018, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#ifndef PSI_DEBUG_H
+#define PSI_DEBUG_H
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "data.h"
+
+#if PSI_THREADED_PARSER
+void psi_debug_lock(struct psi_data *data);
+void psi_debug_unlock(struct psi_data *data);
+#else
+# define psi_debug_lock(ctx)
+# define psi_debug_unlock(ctx)
+#endif
+
+#define PSI_DEBUG_PRINT(ctx, ...) do { \
+       if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
+               psi_debug_lock(PSI_DATA(ctx)); \
+               dprintf(PSI_DATA(ctx)->debug_fd, __VA_ARGS__); \
+               psi_debug_unlock(PSI_DATA(ctx)); \
+       } \
+} while(0)
+
+#define PSI_DEBUG_PRINTV(ctx, msg, argv) do { \
+       if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
+               psi_debug_lock(PSI_DATA(ctx)); \
+               vdprintf(PSI_DATA(ctx)->debug_fd, msg, argv); \
+               psi_debug_unlock(PSI_DATA(ctx)); \
+       } \
+} while(0)
+
+#define PSI_DEBUG_DUMP(ctx, dump_func, ...) do { \
+       if ((ctx) && (PSI_DATA(ctx)->flags & PSI_DEBUG)) { \
+               struct psi_dump dump_ = {{ .fd = PSI_DATA(ctx)->debug_fd}, \
+                               .fun = (psi_dump_cb) dprintf}; \
+               psi_debug_lock(PSI_DATA(ctx)); \
+               dump_func(&dump_, __VA_ARGS__); \
+               psi_debug_unlock(PSI_DATA(ctx)); \
+       } \
+} while (0)
+
+#endif /* PSI_DEBUG_H */