OS/2: Add an implementation of ap_file_check_read().

git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@60107 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 15 insertions, 0 deletions

diff --git a/file_io/os2/readwrite.c b/file_io/os2/readwrite.c
index dd44cece8..fb0c5d2e6 100644
--- a/file_io/os2/readwrite.c
+++ b/file_io/os2/readwrite.c
@@ -345,3 +345,18 @@ APR_EXPORT(int) ap_fprintf(ap_file_t *fptr, const char *format, ...)
 }
 
 
+
+ap_status_t ap_file_check_read(ap_file_t *fd)
+{
+    int rc;
+
+    if (!fd->pipe)
+        return APR_SUCCESS; /* Not a pipe, assume no waiting */
+
+    rc = DosWaitEventSem(fd->pipeSem, SEM_IMMEDIATE_RETURN);
+
+    if (rc == ERROR_TIMEOUT)
+        return APR_TIMEUP;
+
+    return APR_OS2_STATUS(rc);
+}