musl - musl - an implementation of the standard library for Linux-based systems

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musl - an implementation of the standard library for Linux-based systems
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authorRich Felker <dalias@aerifal.cx>2019年07月31日 01:17:53 -0400
committerRich Felker <dalias@aerifal.cx>2019年08月02日 00:08:23 -0400
commit3c02bacf0f6bed54979e67d22c43745df9add4a0 (patch)
tree79cefd0e7a63642d08972c5f6d69eeaf12c435d2 /include/sys/ipc.h
parent72f50245d018af0c31b38dec83c557a4e5dd1ea8 (diff)
downloadmusl-3c02bacf0f6bed54979e67d22c43745df9add4a0.tar.gz
allow archs to define IPC_STAT, propagate time64 bit to other macros
to make use of {sem,shm,msg}ctl IPC_STAT functionality to provide 64-bit time_t on 32-bit archs, IPC_STAT and related macros must be defined with bit 8 (0x100) set. allow archs to define IPC_STAT in bits/ipc.h, and define the other macros in terms of it so that they all get the same value of the time64 bit.
Diffstat (limited to 'include/sys/ipc.h')
-rw-r--r--include/sys/ipc.h 2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/ipc.h b/include/sys/ipc.h
index c5a39819..cde376fc 100644
--- a/include/sys/ipc.h
+++ b/include/sys/ipc.h
@@ -29,7 +29,9 @@ extern "C" {
#define IPC_RMID 0
#define IPC_SET 1
+#ifndef IPC_STAT
#define IPC_STAT 2
+#endif
#define IPC_INFO 3
#define IPC_PRIVATE ((key_t) 0)
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