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freetdm: allocate channels in their own memory page when debugging

This commit is contained in:
Moises Silva 2010-08-23 15:44:55 -04:00
parent 252aebf881
commit fcd8df0af7
1 changed files with 17 additions and 0 deletions
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17
libs/freetdm/src/ftdm_io.c
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@ -750,9 +750,26 @@ FT_DECLARE(ftdm_status_t) ftdm_span_add_channel(ftdm_span_t *span, ftdm_socket_t
ftdm_channel_t *new_chan = span->channels[++span->chan_count];
if (!new_chan) {
#ifdef FTDM_DEBUG_CHAN_MEMORY
void *chanmem = NULL;
int pages = 1;
int pagesize = sysconf(_SC_PAGE_SIZE);
if (sizeof(*new_chan) > pagesize) {
pages = sizeof(*new_chan)/pagesize;
pages++;
}
ftdm_log(FTDM_LOG_DEBUG, "Allocating %d pages of %d bytes for channel of size %d\n", pages, pagesize, sizeof(*new_chan));
if (posix_memalign(&chanmem, pagesize, pagesize*pages)) {
return FTDM_FAIL;
}
ftdm_log(FTDM_LOG_DEBUG, "Channel pages allocated start at mem %p\n", chanmem);
memset(chanmem, 0, sizeof(*new_chan));
new_chan = chanmem;
#else
if (!(new_chan = ftdm_calloc(1, sizeof(*new_chan)))) {
return FTDM_FAIL;
}
#endif
span->channels[span->chan_count] = new_chan;
}