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authorMatthias Lang <[email protected]>2010-08-19 15:12:26 +0200
committerPatrik Nyblom <[email protected]>2012-04-17 16:11:26 +0200
commite2277e240790930563b0833854e7bc6a8338cf5c (patch)
tree7cadd3a34cd454ff4b26bfcc2827a6a201520cc7 /erts/emulator/beam/io.c
parentf1a49c45e4b2ec746407fd777ba31fec6cab118e (diff)
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Extend erlang:port_info/1,2 to show the OS pid of a spawned process
When spawning OS (unix) processes with erlang:open_port, store the resulting unix pid so that it can be queried later on using erlang:port_info/1,2.
Diffstat (limited to 'erts/emulator/beam/io.c')
-rw-r--r--erts/emulator/beam/io.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 53a25f5136..a685f41c4d 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -440,6 +440,7 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver,
sys_strcpy(new_name, name);
erts_smp_runq_lock(runq);
erts_smp_port_state_lock(prt);
+ prt->os_pid = -1;
prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus;
prt->snapshot = erts_smp_atomic32_read_nob(&erts_ports_snapshot);
old_name = prt->name;