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authorGerald Combs <gerald@wireshark.org>2011-11-07 23:42:53 +0000
committerGerald Combs <gerald@wireshark.org>2011-11-07 23:42:53 +0000
commit7d442f4c22c58a970a6d00c2affac1659cdb81f6 (patch)
tree560cbb5c5df3cf623f7d3e0eb792ec9202a0e8a8 /dumpcap.c
parent60247a582b5852d7c84f500051d479893d8dc0c6 (diff)
Change the use of threads from "mostly always, depending on your
configure options and Gtk+ and GLib versions" to "always". svn path=/trunk/; revision=39751
Diffstat (limited to 'dumpcap.c')
-rw-r--r--dumpcap.c52
1 files changed, 22 insertions, 30 deletions
diff --git a/dumpcap.c b/dumpcap.c
index eb97f1e19b..88699edd20 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -235,7 +235,7 @@ typedef struct _pcap_options {
#endif
gboolean cap_pipe_modified; /* TRUE if data in the pipe uses modified pcap headers */
gboolean cap_pipe_byte_swapped; /* TRUE if data in the pipe is byte swapped */
-#if defined(USE_THREADS) && defined(_WIN32)
+#if defined(_WIN32)
char * cap_pipe_buf; /* Pointer to the data buffer we read into */
#endif
int cap_pipe_bytes_to_read;/* Used by cap_pipe_dispatch */
@@ -247,7 +247,7 @@ typedef struct _pcap_options {
STATE_READ_DATA
} cap_pipe_state;
enum { PIPOK, PIPEOF, PIPERR, PIPNEXIST } cap_pipe_err;
-#if defined(USE_THREADS) && defined(_WIN32)
+#if defined(_WIN32)
GMutex *cap_pipe_read_mtx;
GAsyncQueue *cap_pipe_pending_q, *cap_pipe_done_q;
#endif
@@ -318,7 +318,7 @@ static gboolean need_timeout_workaround;
* WaitForSingleObject. If it's less than 1000 WaitForSingleObject
* will return immediately.
*/
-#if defined(USE_THREADS) && defined(_WIN32)
+#if defined(_WIN32)
#define PIPE_READ_TIMEOUT 100000
#else
#define PIPE_READ_TIMEOUT 250000
@@ -415,9 +415,7 @@ print_usage(gboolean print_ver)
fprintf(output, " -n use pcapng format instead of pcap\n");
fprintf(output, "\n");
fprintf(output, "Miscellaneous:\n");
-#ifdef USE_THREADS
fprintf(output, " -t use a separate thread per interface\n");
-#endif
fprintf(output, " -q don't report packet capture counts\n");
fprintf(output, " -v print version information and exit\n");
fprintf(output, " -h display this help and exit\n");
@@ -1547,7 +1545,7 @@ cap_pipe_adjust_header(gboolean byte_swapped, struct pcap_hdr *hdr, struct pcapr
}
}
-#if defined(USE_THREADS) && defined(_WIN32)
+#if defined(_WIN32)
/*
* Thread function that reads from a pipe and pushes the data
* to the main application thread.
@@ -1635,7 +1633,7 @@ static void *cap_pipe_read(void *arg)
}
#endif
-#if (!(defined(USE_THREADS) && defined(_WIN32))) || defined(MUST_DO_SELECT)
+#if !defined(_WIN32) || defined(MUST_DO_SELECT)
/* Provide select() functionality for a single file descriptor
* on UNIX/POSIX. Windows uses cap_pipe_read via a thread.
*
@@ -1682,7 +1680,7 @@ cap_pipe_open_live(char *pipename,
wchar_t *err_str;
#endif
#endif
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
int sel_ret;
unsigned int bytes_read;
#endif
@@ -1851,7 +1849,7 @@ cap_pipe_open_live(char *pipename,
pcap_opts->from_cap_pipe = TRUE;
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
/* read the pcap header */
bytes_read = 0;
while (bytes_read < sizeof magic) {
@@ -1926,7 +1924,7 @@ cap_pipe_open_live(char *pipename,
goto error;
}
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
/* Read the rest of the header */
bytes_read = 0;
while (bytes_read < sizeof(struct pcap_hdr)) {
@@ -2006,7 +2004,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
struct pcap_pkthdr phdr;
enum { PD_REC_HDR_READ, PD_DATA_READ, PD_PIPE_EOF, PD_PIPE_ERR,
PD_ERR } result;
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
GTimeVal wait_time;
gpointer q_status;
#else
@@ -2023,7 +2021,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
switch (pcap_opts->cap_pipe_state) {
case STATE_EXPECT_REC_HDR:
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
if (g_mutex_trylock(pcap_opts->cap_pipe_read_mtx)) {
#endif
@@ -2032,7 +2030,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
sizeof(struct pcaprec_modified_hdr) : sizeof(struct pcaprec_hdr);
pcap_opts->cap_pipe_bytes_read = 0;
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
pcap_opts->cap_pipe_buf = (char *) &pcap_opts->cap_pipe_rechdr;
g_async_queue_push(pcap_opts->cap_pipe_pending_q, pcap_opts->cap_pipe_buf);
g_mutex_unlock(pcap_opts->cap_pipe_read_mtx);
@@ -2041,7 +2039,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
/* Fall through */
case STATE_READ_REC_HDR:
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
b = read(pcap_opts->cap_pipe_fd, ((char *)&pcap_opts->cap_pipe_rechdr)+pcap_opts->cap_pipe_bytes_read,
pcap_opts->cap_pipe_bytes_to_read - pcap_opts->cap_pipe_bytes_read);
if (b <= 0) {
@@ -2073,7 +2071,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
break;
case STATE_EXPECT_DATA:
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
if (g_mutex_trylock(pcap_opts->cap_pipe_read_mtx)) {
#endif
@@ -2081,7 +2079,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
pcap_opts->cap_pipe_bytes_to_read = pcap_opts->cap_pipe_rechdr.hdr.incl_len;
pcap_opts->cap_pipe_bytes_read = 0;
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
pcap_opts->cap_pipe_buf = (char *) data;
g_async_queue_push(pcap_opts->cap_pipe_pending_q, pcap_opts->cap_pipe_buf);
g_mutex_unlock(pcap_opts->cap_pipe_read_mtx);
@@ -2090,7 +2088,7 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
/* Fall through */
case STATE_READ_DATA:
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
b = read(pcap_opts->cap_pipe_fd, data+pcap_opts->cap_pipe_bytes_read,
pcap_opts->cap_pipe_bytes_to_read - pcap_opts->cap_pipe_bytes_read);
if (b <= 0) {
@@ -2292,14 +2290,14 @@ capture_loop_open_input(capture_options *capture_opts, loop_data *ld,
#endif
pcap_opts->cap_pipe_modified = FALSE;
pcap_opts->cap_pipe_byte_swapped = FALSE;
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
pcap_opts->cap_pipe_buf = NULL;
#endif
pcap_opts->cap_pipe_bytes_to_read = 0;
pcap_opts->cap_pipe_bytes_read = 0;
pcap_opts->cap_pipe_state = 0;
pcap_opts->cap_pipe_err = PIPOK;
-#if defined(USE_THREADS) && defined(_WIN32)
+#ifdef _WIN32
pcap_opts->cap_pipe_read_mtx = g_mutex_new();
pcap_opts->cap_pipe_pending_q = g_async_queue_new();
pcap_opts->cap_pipe_done_q = g_async_queue_new();
@@ -2636,7 +2634,7 @@ capture_loop_dispatch(loop_data *ld,
int inpkts;
gint packet_count_before;
guchar pcap_data[WTAP_MAX_PACKET_SIZE];
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
int sel_ret;
#endif
@@ -2646,7 +2644,7 @@ capture_loop_dispatch(loop_data *ld,
#ifdef LOG_CAPTURE_VERBOSE
g_log(LOG_DOMAIN_CAPTURE_CHILD, G_LOG_LEVEL_DEBUG, "capture_loop_dispatch: from capture pipe");
#endif
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
sel_ret = cap_pipe_select(pcap_opts->cap_pipe_fd);
if (sel_ret <= 0) {
if (sel_ret < 0 && errno != EINTR) {
@@ -2664,7 +2662,7 @@ capture_loop_dispatch(loop_data *ld,
if (inpkts < 0) {
ld->go = FALSE;
}
-#if !(defined(USE_THREADS) && defined(_WIN32))
+#ifndef _WIN32
}
#endif
}
@@ -3856,10 +3854,8 @@ main(int argc, char *argv[])
global_ld.pcaps = g_array_new(FALSE, FALSE, sizeof(pcap_options *));
/* Initialize the thread system */
-#ifdef USE_THREADS
- if (!g_thread_supported())
- g_thread_init(NULL);
-#endif
+ g_thread_init(NULL);
+
#ifdef _WIN32
/* Load wpcap if possible. Do this before collecting the run-time version information */
load_wpcap();
@@ -4076,11 +4072,9 @@ main(int argc, char *argv[])
case 'q': /* Quiet */
quiet = TRUE;
break;
-#ifdef USE_THREADS
case 't':
use_threads = TRUE;
break;
-#endif
/*** all non capture option specific ***/
case 'D': /* Print a list of capture devices and exit */
list_interfaces = TRUE;
@@ -4148,12 +4142,10 @@ main(int argc, char *argv[])
} else {
/* We're supposed to capture traffic; */
/* Are we capturing on multiple interface? If so, use threads and pcapng. */
-#ifdef USE_THREADS
if (global_capture_opts.ifaces->len > 1) {
use_threads = TRUE;
global_capture_opts.use_pcapng = TRUE;
}
-#endif
/* Was the ring buffer option specified and, if so, does it make sense? */
if (global_capture_opts.multi_files_on) {
/* Ring buffer works only under certain conditions: