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convert all to use sys/linux over sys/unix; new implementations for pipe, process and env

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This commit is contained in:
jason
2024-06-27 17:14:48 -04:00
parent f22754fc90
commit f24f72c280
12 changed files with 1269 additions and 543 deletions
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core/os/os2/heap_linux.odin
+11 -17
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@@ -1,7 +1,7 @@
//+private
package os2
import "core:sys/unix"
import "core:sys/linux"
import "core:sync"
import "core:mem"
@@ -97,9 +97,8 @@ CURRENTLY_ACTIVE :: (^^Region)(~uintptr(0))
FREE_LIST_ENTRIES_PER_BLOCK :: BLOCK_SIZE / size_of(u16)
MMAP_FLAGS :: unix.MAP_ANONYMOUS | unix.MAP_PRIVATE
MMAP_PROT :: unix.PROT_READ | unix.PROT_WRITE
MMAP_FLAGS : linux.Map_Flags : {.ANONYMOUS, .PRIVATE}
MMAP_PROT : linux.Mem_Protection : {.READ, .WRITE}
@thread_local _local_region: ^Region
global_regions: ^Region
@@ -324,11 +323,11 @@ heap_free :: proc(memory: rawptr) {
// Regions
//
_new_region :: proc() -> ^Region #no_bounds_check {
res := unix.sys_mmap(nil, uint(SIZE_OF_REGION), MMAP_PROT, MMAP_FLAGS, -1, 0)
if res < 0 {
ptr, errno := linux.mmap(0, uint(SIZE_OF_REGION), MMAP_PROT, MMAP_FLAGS, -1, 0)
if errno != .NONE {
return nil
}
new_region := (^Region)(uintptr(res))
new_region := (^Region)(ptr)
new_region.hdr.local_addr = CURRENTLY_ACTIVE
new_region.hdr.reset_addr = &_local_region
@@ -634,8 +633,8 @@ _region_free_list_remove :: proc(region: ^Region, free_idx: u16) #no_bounds_chec
//
_direct_mmap_alloc :: proc(size: int) -> rawptr {
mmap_size := _round_up_to_nearest(size + BLOCK_SIZE, PAGE_SIZE)
new_allocation := unix.sys_mmap(nil, uint(mmap_size), MMAP_PROT, MMAP_FLAGS, -1, 0)
if new_allocation < 0 && new_allocation > -4096 {
new_allocation, errno := linux.mmap(0, uint(mmap_size), MMAP_PROT, MMAP_FLAGS, -1, 0)
if errno != .NONE {
return nil
}
@@ -655,13 +654,8 @@ _direct_mmap_resize :: proc(alloc: ^Allocation_Header, new_size: int) -> rawptr
return mem.ptr_offset(alloc, 1)
}
new_allocation := unix.sys_mremap(
alloc,
uint(old_mmap_size),
uint(new_mmap_size),
unix.MREMAP_MAYMOVE,
)
if new_allocation < 0 && new_allocation > -4096 {
new_allocation, errno := linux.mremap(alloc, uint(old_mmap_size), uint(new_mmap_size), {.MAYMOVE})
if errno != .NONE {
return nil
}
@@ -702,7 +696,7 @@ _direct_mmap_to_region :: proc(alloc: ^Allocation_Header, new_size: int) -> rawp
_direct_mmap_free :: proc(alloc: ^Allocation_Header) {
requested := int(alloc.requested & REQUESTED_MASK)
mmap_size := _round_up_to_nearest(requested + BLOCK_SIZE, PAGE_SIZE)
unix.sys_munmap(alloc, uint(mmap_size))
linux.munmap(alloc, uint(mmap_size))
}
//