transformation_visualizer/libraries/back/signal_handler_posix.odin

37 lines
867 B
Odin

#+vet explicit-allocators
#+build linux, darwin, netbsd, openbsd, freebsd
package back
import "base:runtime"
import "core:fmt"
import "core:mem"
import "core:sys/posix"
@(private="package")
_register_segfault_handler :: proc() {
posix.signal(.SIGSEGV, proc "c" (code: posix.Signal) {
context = runtime.default_context()
space: [16*mem.Kilobyte]byte
arena: mem.Arena
mem.arena_init(&arena, space[:])
allocator := mem.arena_allocator(&arena)
context.allocator = allocator
context.temp_allocator = allocator
backtrace: {
lines, err := lines(trace(), allocator, allocator)
if err != nil {
fmt.eprintf("Exception (Code: %i)\nCould not get backtrace: %v\n", code, err)
break backtrace
}
fmt.eprintf("Exception (Code: %i)\n[back trace]\n", code)
print(lines, temp_allocator=allocator)
}
runtime.exit(int(code))
})
}