linux_like: add SIGEMT for mips* and sparc*

(backport #4730)

(cherry picked from commit de7e184)

Author: chenx97

libc-test/semver/linux-mips.txt

@@ -9,6 +9,7 @@ PTRACE_GETREGS
 PTRACE_SETFPREGS
 PTRACE_SETFPXREGS
 PTRACE_SETREGS
+SIGEMT
 SO_PRIORITY
 SO_PROTOCOL
 SYS__sysctl

libc-test/semver/linux-sparc64.txt

@@ -20,6 +20,7 @@ MAP_SYNC
 PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
 PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
 PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+SIGEMT
 SYS__llseek
 SYS__newselect
 SYS__sysctl

src/unix/linux_like/linux/gnu/b32/mips/mod.rs

@@ -768,6 +768,7 @@ pub const SOCK_DGRAM: c_int = 1;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;

src/unix/linux_like/linux/gnu/b32/sparc/mod.rs

@@ -316,6 +316,7 @@ pub const SOCK_DGRAM: c_int = 2;
 pub const SA_SIGINFO: c_int = 0x200;
 pub const SA_NOCLDWAIT: c_int = 0x100;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGTTIN: c_int = 21;
 pub const SIGTTOU: c_int = 22;
 pub const SIGXCPU: c_int = 24;

src/unix/linux_like/linux/gnu/b64/mips64/mod.rs

@@ -757,6 +757,7 @@ pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;

src/unix/linux_like/linux/gnu/b64/sparc64/mod.rs

@@ -324,6 +324,7 @@ pub const SA_ONSTACK: c_int = 1;
 pub const SA_SIGINFO: c_int = 0x200;
 pub const SA_NOCLDWAIT: c_int = 0x100;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGTTIN: c_int = 21;
 pub const SIGTTOU: c_int = 22;
 pub const SIGXCPU: c_int = 24;

src/unix/linux_like/linux/musl/b32/mips/mod.rs

@@ -345,6 +345,7 @@ pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 8;
 pub const SA_NOCLDWAIT: c_int = 0x10000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;

src/unix/linux_like/linux/musl/b64/mips64.rs

@@ -591,6 +591,7 @@ pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;

src/unix/linux_like/linux/uclibc/mips/mod.rs

@@ -163,6 +163,7 @@ pub const SA_ONSTACK: c_uint = 0x08000000;
 pub const SA_SIGINFO: c_uint = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;