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@bconway
bconway / acpi.diff
Last active October 29, 2024 14:30
Detect and mitigate uncontrolled ACPI GPE interrupt storms on OpenBSD (7.3, 7.3-current)
diff --git sys/dev/acpi/acpi.c sys/dev/acpi/acpi.c
index 853bad1ab..26a5c1702 100644
--- sys/dev/acpi/acpi.c
+++ sys/dev/acpi/acpi.c
@@ -52,6 +52,9 @@
#define APMDEV_NORMAL 0
#define APMDEV_CTL 8
+#define GPE_RATE_MIN_CYCLE 5 /* seconds */
+#define GPE_RATE_MAX 1000 /* per second */
@fnky
fnky / ANSI.md
Last active November 27, 2024 22:22
ANSI Escape Codes

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

  • Ctrl-Key: ^[
  • Octal: \033
  • Unicode: \u001b
  • Hexadecimal: \x1B
  • Decimal: 27
@alghanmi
alghanmi / curl_example.cpp
Created May 5, 2014 20:12
cURL C++ Example
#include <iostream>
#include <string>
#include <curl/curl.h>
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}