Commit e086a1c18367325ca806ee2793e2de4b88ed1ff5
2017-08-14T20:25:53
Added missing files from the previous commit
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134
diff --git a/src/core/unix/SDL_poll.c b/src/core/unix/SDL_poll.c
new file mode 100644
index 0000000..b970a7a
--- /dev/null
+++ b/src/core/unix/SDL_poll.c
@@ -0,0 +1,88 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "../../SDL_internal.h"
+
+#include "SDL_assert.h"
+#include "SDL_poll.h"
+
+#undef HAVE_POLL
+#ifdef HAVE_POLL
+#include <poll.h>
+#else
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+#include <errno.h>
+
+
+int
+SDL_IOReady(int fd, SDL_bool forWrite, int timeoutMS)
+{
+ int result;
+
+ /* Note: We don't bother to account for elapsed time if we get EINTR */
+ do
+ {
+#ifdef HAVE_POLL
+ struct pollfd info;
+
+ info.fd = fd;
+ if (forWrite) {
+ info.events = POLLOUT;
+ } else {
+ info.events = POLLIN | POLLPRI;
+ }
+ result = poll(&info, 1, timeoutMS);
+#else
+ fd_set rfdset, *rfdp = NULL;
+ fd_set wfdset, *wfdp = NULL;
+ struct timeval tv, *tvp = NULL;
+
+ /* If this assert triggers we'll corrupt memory here */
+ SDL_assert(fd >= 0 && fd < FD_SETSIZE);
+
+ if (forWrite) {
+ FD_ZERO(&wfdset);
+ FD_SET(fd, &wfdset);
+ wfdp = &wfdset;
+ } else {
+ FD_ZERO(&rfdset);
+ FD_SET(fd, &rfdset);
+ rfdp = &rfdset;
+ }
+
+ if (timeoutMS >= 0) {
+ tv.tv_sec = timeoutMS / 1000;
+ tv.tv_usec = (timeoutMS % 1000) * 1000;
+ tvp = &tv;
+ }
+
+ result = select(fd + 1, rfdp, wfdp, NULL, tvp);
+#endif /* HAVE_POLL */
+
+ } while ( result < 0 && errno == EINTR );
+
+ return result;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/core/unix/SDL_poll.h b/src/core/unix/SDL_poll.h
new file mode 100644
index 0000000..9a23b84
--- /dev/null
+++ b/src/core/unix/SDL_poll.h
@@ -0,0 +1,34 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "../../SDL_internal.h"
+
+#ifndef SDL_poll_h_
+#define SDL_poll_h_
+
+#include "SDL_stdinc.h"
+
+
+extern int SDL_IOReady(int fd, SDL_bool forWrite, int timeoutMS);
+
+#endif /* SDL_poll_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */