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Date: Thu, 10 Dec 2015 12:47:12 +0200
From: Dmitry Ivanov <dmitrijs.ivanovs@...t.com>
To: musl@...ts.openwall.com
Subject: [PATCH] Separate siginfo_t for MIPS
MIPS has non-default siginfo_t structure. Also, some si_code values are
different. This patch is required for POSIX timers to work.
---
arch/aarch64/bits/siginfo.h | 0
arch/arm/bits/siginfo.h | 0
arch/i386/bits/siginfo.h | 0
arch/microblaze/bits/siginfo.h | 0
arch/mips/bits/siginfo.h | 52 ++++++++++++++++++++++++++++++++++++++++++
arch/or1k/bits/siginfo.h | 0
arch/powerpc/bits/siginfo.h | 0
arch/sh/bits/siginfo.h | 0
arch/x32/bits/siginfo.h | 0
arch/x86_64/bits/siginfo.h | 0
include/signal.h | 7 ++++++
11 files changed, 59 insertions(+)
create mode 100644 arch/aarch64/bits/siginfo.h
create mode 100644 arch/arm/bits/siginfo.h
create mode 100644 arch/i386/bits/siginfo.h
create mode 100644 arch/microblaze/bits/siginfo.h
create mode 100644 arch/mips/bits/siginfo.h
create mode 100644 arch/or1k/bits/siginfo.h
create mode 100644 arch/powerpc/bits/siginfo.h
create mode 100644 arch/sh/bits/siginfo.h
create mode 100644 arch/x32/bits/siginfo.h
create mode 100644 arch/x86_64/bits/siginfo.h
diff --git a/arch/aarch64/bits/siginfo.h b/arch/aarch64/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/arm/bits/siginfo.h b/arch/arm/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/i386/bits/siginfo.h b/arch/i386/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/microblaze/bits/siginfo.h b/arch/microblaze/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/mips/bits/siginfo.h b/arch/mips/bits/siginfo.h
new file mode 100644
index 0000000..42dbdf5
--- /dev/null
+++ b/arch/mips/bits/siginfo.h
@@ -0,0 +1,52 @@
+#define HAVE_ARCH_SIGINFO_T
+
+#undef SI_ASYNCIO
+#undef SI_TIMER
+#undef SI_MESGQ
+#define SI_ASYNCIO -2 /* sent by AIO completion */
+#define SI_TIMER -3 /* sent by timer expiration */
+#define SI_MESGQ -4 /* sent by real time mesq state change */
+
+/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
+typedef struct {
+ int si_signo, si_code, si_errno;
+ union {
+ char __pad[128 - 2*sizeof(int) - sizeof(long)];
+ struct {
+ union {
+ struct {
+ pid_t si_pid;
+ uid_t si_uid;
+ } __piduid;
+ struct {
+ int si_timerid;
+ int si_overrun;
+ } __timer;
+ } __first;
+ union {
+ union sigval si_value;
+ struct {
+ int si_status;
+ clock_t si_utime, si_stime;
+ } __sigchld;
+ } __second;
+ } __si_common;
+ struct {
+ void *si_addr;
+ short si_addr_lsb;
+ struct {
+ void *si_lower;
+ void *si_upper;
+ } __addr_bnd;
+ } __sigfault;
+ struct {
+ long si_band;
+ int si_fd;
+ } __sigpoll;
+ struct {
+ void *si_call_addr;
+ int si_syscall;
+ unsigned si_arch;
+ } __sigsys;
+ } __si_fields;
+} siginfo_t;
diff --git a/arch/or1k/bits/siginfo.h b/arch/or1k/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/powerpc/bits/siginfo.h b/arch/powerpc/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/sh/bits/siginfo.h b/arch/sh/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/x32/bits/siginfo.h b/arch/x32/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/x86_64/bits/siginfo.h b/arch/x86_64/bits/siginfo.h
new file mode 100644
index 0000000..e69de29
diff --git a/include/signal.h b/include/signal.h
index 559362f..087657b 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -85,6 +85,11 @@ union sigval {
void *sival_ptr;
};
+#undef HAVE_ARCH_SIGINFO_T
+
+#include <bits/siginfo.h>
+
+#ifndef HAVE_ARCH_SIGINFO_T
typedef struct {
int si_signo, si_errno, si_code;
union {
@@ -127,6 +132,8 @@ typedef struct {
} __sigsys;
} __si_fields;
} siginfo_t;
+#endif
+
#define si_pid __si_fields.__si_common.__first.__piduid.si_pid
#define si_uid __si_fields.__si_common.__first.__piduid.si_uid
#define si_status __si_fields.__si_common.__second.__sigchld.si_status
--
2.1.4
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