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authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-07-15 11:25:39 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-07-15 11:25:39 +0200
commit1edb02101a9306fc711cd422ed507d18165b1691 (patch)
treebd2d48a139bfbe869f4f49359b63097931a45e7b /backend/snapscan.c
parent2ca8a81bd0d99fe4d75c229d0e988d8ef710285f (diff)
move from support/1.0.27 to feature/1.0.27
Diffstat (limited to 'backend/snapscan.c')
-rw-r--r--backend/snapscan.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/backend/snapscan.c b/backend/snapscan.c
index 3c0fb81..c88537b 100644
--- a/backend/snapscan.c
+++ b/backend/snapscan.c
@@ -82,12 +82,6 @@
#define BUILD 53
#define BACKEND_NAME snapscan
-#ifdef __GNUC__
-#define UNUSEDARG __attribute__ ((unused))
-#else
-#define UNUSEDARG
-#endif
-
#include "../include/sane/sanei_backend.h"
#include "../include/sane/saneopts.h"
@@ -1217,13 +1211,13 @@ static void reader (SnapScan_Scanner *pss)
/** signal handler to kill the child process
*/
-static RETSIGTYPE usb_reader_process_sigterm_handler( int signo )
+static void usb_reader_process_sigterm_handler( int signo )
{
DBG( DL_INFO, "(SIG) reader_process: terminated by signal %d\n", signo );
cancelRead = SANE_TRUE;
}
-static RETSIGTYPE sigalarm_handler( int signo UNUSEDARG)
+static void sigalarm_handler( int signo __sane_unused__)
{
DBG( DL_INFO, "ALARM!!!\n" );
}
@@ -1301,7 +1295,7 @@ static SANE_Status start_reader (SnapScan_Scanner *pss)
cancelRead = SANE_FALSE;
- if (pss->child == -1)
+ if (!sanei_thread_is_valid (pss->child))
{
/* we'll have to read in blocking mode */
DBG (DL_MAJOR_ERROR,
@@ -1815,7 +1809,7 @@ SANE_Status sane_read (SANE_Handle h,
if (pss->psrc == NULL || pss->psrc->remaining(pss->psrc) == 0)
{
- if (pss->child != -1)
+ if (sanei_thread_is_valid (pss->child))
{
sanei_thread_waitpid (pss->child, 0); /* ensure no zombies */
pss->child = -1;
@@ -1875,7 +1869,7 @@ void sane_cancel (SANE_Handle h)
/* signal a cancellation has occurred */
pss->state = ST_CANCEL_INIT;
/* signal the reader, if any */
- if (pss->child != -1)
+ if (sanei_thread_is_valid (pss->child))
{
DBG( DL_INFO, ">>>>>>>> killing reader_process <<<<<<<<\n" );
@@ -1941,7 +1935,7 @@ SANE_Status sane_set_io_mode (SANE_Handle h, SANE_Bool m)
if (m)
{
- if (pss->child == -1)
+ if (!sanei_thread_is_valid (pss->child))
{
DBG (DL_MINOR_INFO,
"%s: no reader child; must use blocking mode.\n",
@@ -1971,7 +1965,7 @@ SANE_Status sane_get_select_fd (SANE_Handle h, SANE_Int * fd)
if (pss->state != ST_SCAN_INIT)
return SANE_STATUS_INVAL;
- if (pss->child == -1)
+ if (!sanei_thread_is_valid (pss->child))
{
DBG (DL_MINOR_INFO,
"%s: no reader child; cannot provide select file descriptor.\n",