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un-screw steamshim on Windows again

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This commit is contained in:
Zorua 2022-09-24 03:00:21 -04:00
parent 6007c45c8a
commit 748aff99cc
1 changed files with 456 additions and 469 deletions
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41
steamshim/steamshim_child.c
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@ -2,11 +2,10 @@
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#include <stdio.h>
#include <process.h>
#include <io.h>
#include <errno.h>
typedef int PipeType;
#define NULLPIPE 0
typedef HANDLE PipeType;
#define NULLPIPE NULL
typedef unsigned __int8 uint8;
typedef __int32 int32;
typedef unsigned __int64 uint64;
@ -47,30 +46,25 @@ static int pipeReady(PipeType fd);
static int pipeReady(PipeType fd)
{
return 1;
DWORD avail = 0;
return (PeekNamedPipe(fd, NULL, 0, NULL, &avail, NULL) && (avail > 0));
} /* pipeReady */
static int writePipe(PipeType fd, const void *buf, const unsigned int _len)
{
const ssize_t len = (ssize_t) _len;
ssize_t bw;
while (((bw = _write(fd, buf, len)) == -1) && (errno == EINTR)) { /*spin*/ }
return (bw == len);
} /* writePipe */
static int writePipe(PipeType fd, const void *buf, const unsigned int _len) {
const DWORD len = (DWORD)_len;
DWORD bw = 0;
return ((WriteFile(fd, buf, len, &bw, NULL) != 0) && (bw == len));
} // writePipe
static int readPipe(PipeType fd, void *buf, const unsigned int _len)
{
const ssize_t len = (ssize_t) _len;
ssize_t br;
while (((br = _read(fd, buf, len)) == 0)) { /*spin*/ }
return (int) br;
} /* readPipe */
static int readPipe(PipeType fd, void *buf, const unsigned int _len) {
const DWORD len = (DWORD)_len;
DWORD br = 0;
return ReadFile(fd, buf, len, &br, NULL) ? (int)br : -1;
} // readPipe
static void closePipe(PipeType fd)
{
_close(fd);
CloseHandle(fd);
} /* closePipe */
static char *getEnvVar(const char *key, char *buf, const size_t buflen)
@ -352,13 +346,6 @@ const STEAMSHIM_Event *STEAMSHIM_pump(void)
return retval;
} /* if */
/* Run Steam event loop. */
if (br == 0)
{
dbgpipe("Child sending SHIMCMD_PUMP().\n");
write1ByteCmd(SHIMCMD_PUMP);
} /* if */
return NULL;
} /* STEAMSHIM_pump */