[coreboot-gerrit] Change in coreboot[master]: lib/thread: Add thread_coop_enabled

[Raul Rangel (Code Review)]

Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/56319 )

Change subject: lib/thread: Add thread_coop_enabled
......................................................................

lib/thread: Add thread_coop_enabled

This method exposes if the current thread can coop. It will be used in
the following patch.

BUG=b:179699789
TEST=none

Signed-off-by: Raul E Rangel 
Change-Id: I90060e21f127fb725f126163aa5b2be6b9d1d117
---
M src/include/thread.h
M src/lib/thread.c
2 files changed, 17 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/19/56319/1

diff --git a/src/include/thread.h b/src/include/thread.h
index da8ed72..1da9c01 100644
--- a/src/include/thread.h
+++ b/src/include/thread.h
@@ -43,6 +43,7 @@
  * only a single place where switching may occur: a call to udelay(). */
 void thread_cooperate(void);
 void thread_prevent_coop(void);
+bool thread_coop_enabled(void);

static inline void thread_init_cpu_info_non_bsp(struct cpu_info *ci)
 {
@@ -70,6 +71,10 @@
 }
 static inline void thread_cooperate(void) {}
 static inline void thread_prevent_coop(void) {}
+static inline bool thread_coop_enabled(void)
+{
+	return false;
+}
 struct cpu_info;
 static inline void thread_init_cpu_info_non_bsp(struct cpu_info *ci) { }
 #endif
diff --git a/src/lib/thread.c b/src/lib/thread.c
index 782a63e..9eed5e1 100644
--- a/src/lib/thread.c
+++ b/src/lib/thread.c
@@ -367,3 +367,15 @@
    if (current != NULL)
    	current->can_yield = 0;
 }
+
+bool thread_coop_enabled(void)
+{
+	struct thread *current;
+
+	current = current_thread();
+
+	if (current != NULL)
+		return current->can_yield;
+
+	return false;
+}