FreeBSD: fix SIGSTKSZ on arm/aarch64 / add MINSIGSTKSZ

Author: valpackett

src/unix/bsd/freebsdlike/freebsd/aarch64.rs

@@ -16,3 +16,4 @@ cfg_if! {
 }
 
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 4096; // 1024 * 4

src/unix/bsd/freebsdlike/freebsd/arm.rs

@@ -45,3 +45,4 @@ cfg_if! {
     }
 }
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 4096; // 1024 * 4

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -323,9 +323,9 @@ pub const EXTATTR_NAMESPACE_USER: ::c_int = 1;
 pub const EXTATTR_NAMESPACE_SYSTEM: ::c_int = 2;
 
 pub const RAND_MAX: ::c_int = 0x7fff_fffd;
-pub const PTHREAD_STACK_MIN: ::size_t = 2048;
+pub const PTHREAD_STACK_MIN: ::size_t = MINSIGSTKSZ;
 pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 4;
-pub const SIGSTKSZ: ::size_t = 34816;
+pub const SIGSTKSZ: ::size_t = MINSIGSTKSZ + 32768;
 pub const SF_NODISKIO: ::c_int = 0x00000001;
 pub const SF_MNOWAIT: ::c_int = 0x00000002;
 pub const SF_SYNC: ::c_int = 0x00000004;

src/unix/bsd/freebsdlike/freebsd/powerpc64.rs

@@ -42,3 +42,4 @@ cfg_if! {
 }
 
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4

src/unix/bsd/freebsdlike/freebsd/x86.rs

@@ -41,3 +41,4 @@ cfg_if! {
         pub const _ALIGNBYTES: usize = 8 - 1;
     }
 }
+pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4

src/unix/bsd/freebsdlike/freebsd/x86_64/mod.rs

@@ -185,6 +185,7 @@ cfg_if! {
     }
 }
 pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 2048; // 512 * 4
 
 cfg_if! {
     if #[cfg(libc_align)] {