ExternalVendorCode/corda
1
0
Fork 0
mirror of https://github.com/corda/corda.git synced 2025-01-06 05:04:20 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

use vfork instead of fork on QNX

Browse Source 
On QNX, fork cannot be used in multithreaded programs, but vfork can,
so that's what we'll use.

http://www.qnx.com/developers/docs/6.4.1/neutrino/getting_started/s1_procs.html
This commit is contained in:
Joel Dice 2012-07-17 19:26:37 -06:00
parent 4237a19b68
commit cace9d4531
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
classpath/java-lang.cpp
View File

@ -402,7 +402,16 @@ Java_java_lang_Runtime_exec(JNIEnv* e, jclass,
return; return;
} }
#ifdef __QNX__
// fork(2) doesn't work in multithreaded QNX programs. See
// http://www.qnx.com/developers/docs/6.4.1/neutrino/getting_started/s1_procs.html
pid_t pid = vfork();
#else
// We might be able to just use vfork on all UNIX-style systems, but
// the manual makes it sound dangerous due to the shared
// parent/child address space, so we use fork if we can.
pid_t pid = fork(); pid_t pid = fork();
#endif
switch(pid){ switch(pid){
case -1: // error case -1: // error
throwNewErrno(e, "java/io/IOException"); throwNewErrno(e, "java/io/IOException");