Fix typos

Signed-off-by: Petr Shumilov <[email protected]>

common/ucontext/ucontext-portable-test.cpp

@@ -54,6 +54,9 @@ TEST(ucontext_portable, swapcontext) {
   ASSERT_EQ(finished, 1);
 }
 
+/*
+  Imitation of `do { i++; } while (i < 10)`
+*/
 volatile int context_set_cnt {0};
 TEST(ucontext_portable, get_and_setcontext) {
   getcontext_portable(&ctx3);

server/php-runner.cpp

@@ -90,7 +90,7 @@ void PhpScript::error(const char *error_message, script_error_t error_type, [[ma
   stack_end = reinterpret_cast<char *>(get_context_stack_ptr_portable(exit_context)) + get_context_stack_size_portable(exit_context);
 
 #if defined(__linux__) && defined(__x86_64__)
-  // The error may be produced in process of signal handling. The default behavior on Linux-based platforms
+  // The PhpScript::error may be produced in process of signal handling. The default behavior on Linux-based platforms
   // consider to block a signal during handler execution and unblock after handler ending.
   // For x86_64 arch we have context replacement implementation where the signals manipulations is omitted by design,
   // e.g. we do not save signals state in context replacement.

server/signal-handlers.cpp

@@ -112,7 +112,7 @@ void sigusr2_handler(int signum) {
 void php_assert_handler(int signum) {
   kwrite_str(2, "in php_assert_handler (SIGRTMIN+1 signal)\n");
   if (check_signal_critical_section(signum, "SIGRTMIN+1")) {
-    perform_error_if_running("php assert error\n", script_error_t::php_assert,signum);
+    perform_error_if_running("php assert error\n", script_error_t::php_assert, signum);
   }
 }