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Debug output uses local buffer to avoid clashes between threads.

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This commit is contained in:
Maria Matejka 2021-05-26 16:42:02 +02:00
parent eb20251655
commit 227e2d5541
1 changed files with 4 additions and 11 deletions
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15
sysdep/unix/log.c
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@ -309,22 +309,15 @@ die(const char *msg, ...)
void
debug(const char *msg, ...)
{
#define MAX_DEBUG_BUFSIZE 65536
#define MAX_DEBUG_BUFSIZE 16384
va_list args;
static uint bufsize = 4096;
static char *buf = NULL;
if (!buf)
buf = mb_alloc(&root_pool, bufsize);
char buf[MAX_DEBUG_BUFSIZE];
va_start(args, msg);
if (dbgf)
{
while (bvsnprintf(buf, bufsize, msg, args) < 0)
if (bufsize >= MAX_DEBUG_BUFSIZE)
bug("Extremely long debug output, split it.");
else
buf = mb_realloc(buf, (bufsize *= 2));
if (bvsnprintf(buf, MAX_DEBUG_BUFSIZE, msg, args) < 0)
bug("Extremely long debug output, split it.");
fputs(buf, dbgf);
}