Auto merge of #568 - anatol:add_MINSIGSTKSZ, r=alexcrichton

Add MINSIGSTKSZ constant to linux sources

MINSIGSTKSZ is a minimum size of process stack allowed
diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index 032272b..3eace01 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -584,6 +584,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/mips/mod.rs b/src/unix/notbsd/linux/mips/mod.rs
index 1361b25..7b1c15e 100644
--- a/src/unix/notbsd/linux/mips/mod.rs
+++ b/src/unix/notbsd/linux/mips/mod.rs
@@ -420,6 +420,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/musl/mod.rs b/src/unix/notbsd/linux/musl/mod.rs
index 26cc4b9..a0d947b 100644
--- a/src/unix/notbsd/linux/musl/mod.rs
+++ b/src/unix/notbsd/linux/musl/mod.rs
@@ -239,6 +239,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/other/b32/arm.rs b/src/unix/notbsd/linux/other/b32/arm.rs
index cbd9e40..ee6d674 100644
--- a/src/unix/notbsd/linux/other/b32/arm.rs
+++ b/src/unix/notbsd/linux/other/b32/arm.rs
@@ -100,6 +100,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/other/b32/powerpc.rs b/src/unix/notbsd/linux/other/b32/powerpc.rs
index 13e9d36..035bfe1 100644
--- a/src/unix/notbsd/linux/other/b32/powerpc.rs
+++ b/src/unix/notbsd/linux/other/b32/powerpc.rs
@@ -103,6 +103,7 @@
 pub const MCL_FUTURE: ::c_int = 0x4000;
 
 pub const SIGSTKSZ: ::size_t = 0x4000;
+pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0xff;
 pub const TAB1: ::c_int = 0x400;
 pub const TAB2: ::c_int = 0x800;
diff --git a/src/unix/notbsd/linux/other/b32/x86.rs b/src/unix/notbsd/linux/other/b32/x86.rs
index 68218ff..263e140 100644
--- a/src/unix/notbsd/linux/other/b32/x86.rs
+++ b/src/unix/notbsd/linux/other/b32/x86.rs
@@ -141,6 +141,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/other/b64/aarch64.rs b/src/unix/notbsd/linux/other/b64/aarch64.rs
index 26898c5..77cee3d 100644
--- a/src/unix/notbsd/linux/other/b64/aarch64.rs
+++ b/src/unix/notbsd/linux/other/b64/aarch64.rs
@@ -344,6 +344,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 16384;
+pub const MINSIGSTKSZ: ::size_t = 5120;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/other/b64/powerpc64.rs b/src/unix/notbsd/linux/other/b64/powerpc64.rs
index 1257023..8c19b07 100644
--- a/src/unix/notbsd/linux/other/b64/powerpc64.rs
+++ b/src/unix/notbsd/linux/other/b64/powerpc64.rs
@@ -342,6 +342,7 @@
 pub const MCL_FUTURE: ::c_int = 0x4000;
 
 pub const SIGSTKSZ: ::size_t = 0x4000;
+pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0xff;
 pub const TAB1: ::c_int = 0x400;
 pub const TAB2: ::c_int = 0x800;
diff --git a/src/unix/notbsd/linux/other/b64/sparc64.rs b/src/unix/notbsd/linux/other/b64/sparc64.rs
index a1ac4f5..12598e0 100644
--- a/src/unix/notbsd/linux/other/b64/sparc64.rs
+++ b/src/unix/notbsd/linux/other/b64/sparc64.rs
@@ -301,6 +301,7 @@
 pub const MCL_FUTURE: ::c_int = 0x4000;
 
 pub const SIGSTKSZ: ::size_t = 16384;
+pub const MINSIGSTKSZ: ::size_t = 4096;
 pub const CBAUD: ::tcflag_t = 0x0000100f;
 pub const TAB1: ::c_int = 0x800;
 pub const TAB2: ::c_int = 0x1000;
diff --git a/src/unix/notbsd/linux/other/b64/x86_64.rs b/src/unix/notbsd/linux/other/b64/x86_64.rs
index b5f2a82..b39ccb3 100644
--- a/src/unix/notbsd/linux/other/b64/x86_64.rs
+++ b/src/unix/notbsd/linux/other/b64/x86_64.rs
@@ -402,6 +402,7 @@
 pub const MCL_FUTURE: ::c_int = 0x0002;
 
 pub const SIGSTKSZ: ::size_t = 8192;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const CBAUD: ::tcflag_t = 0o0010017;
 pub const TAB1: ::c_int = 0x00000800;
 pub const TAB2: ::c_int = 0x00001000;
diff --git a/src/unix/notbsd/linux/s390x.rs b/src/unix/notbsd/linux/s390x.rs
index 89b292d..f9f7416 100644
--- a/src/unix/notbsd/linux/s390x.rs
+++ b/src/unix/notbsd/linux/s390x.rs
@@ -339,6 +339,7 @@
 pub const SA_SIGINFO: ::c_int = 4;
 pub const SIGBUS: ::c_int = 7;
 pub const SIGSTKSZ: ::size_t = 0x2000;
+pub const MINSIGSTKSZ: ::size_t = 2048;
 pub const SIG_SETMASK: ::c_int = 2;
 pub const SOCK_DGRAM: ::c_int = 2;
 pub const SOCK_STREAM: ::c_int = 1;