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Initial Windows autoupdater support: the ioq3 internal bits.

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This is just the piece that will launch the autoupdater; the autoupdater
itself will be a separate commit.
This commit is contained in:
Ryan C. Gordon 2017-05-31 01:02:26 -04:00
parent 67b0cccc75
commit 02b116aae0
1 changed files with 21 additions and 1 deletions
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22
code/sys/sys_main.c
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@ -31,9 +31,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <ctype.h>
#include <errno.h>
#ifndef _WIN32
#ifdef USE_AUTOUPDATER
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#else
#include <unistd.h>
#endif
#endif
#ifndef DEDICATED
#ifdef USE_LOCAL_HEADERS
@ -669,6 +674,20 @@ int main( int argc, char **argv )
#error The build system should have defined AUTOUPDATER_BIN
#endif
#ifdef _WIN32
{
/* We don't need the Unix pipe() tapdance here because Windows lets children wait on parent processes. */
PROCESS_INFORMATION procinfo;
char cmdline[128];
Com_sprintf(cmdline, sizeof (cmdline), AUTOUPDATER_BIN " --waitpid %u", (unsigned int) GetCurrentProcessId());
if (CreateProcessA(AUTOUPDATER_BIN, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, NULL, &procinfo))
{
/* close handles now so child cleans up immediately if nothing to do */
CloseHandle(procinfo.hProcess);
CloseHandle(procinfo.hThread);
}
}
#else
int updater_pipes[2];
if (pipe(updater_pipes) == 0)
{
@ -702,6 +721,7 @@ int main( int argc, char **argv )
close(updater_pipes[0]);
}
}
#endif
}
#endif