X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fdefaults.h;h=27f1ddc82a66524afeef8250d50c2f0dfefa72c7;hb=f0b03c2289d0f84c1e2dc41be70cd0bcc222e181;hp=f05030766a77be8dae7452e4fdaae94205378d79;hpb=8d5841ea483139d3ab2f2b4dd39263dad63832b1;p=lttng-tools.git

diff --git a/src/common/defaults.h b/src/common/defaults.h
index f05030766..27f1ddc82 100644
--- a/src/common/defaults.h
+++ b/src/common/defaults.h
@@ -309,6 +309,9 @@
 /* Default LTTng MI XML namespace. */
 #define DEFAULT_LTTNG_MI_NAMESPACE		"http://lttng.org/xml/ns/lttng-mi"
 
+/* Default thread stack size; the default mandated by pthread_create(3) */
+#define DEFAULT_LTTNG_THREAD_STACK_SIZE		2097152
+
 /*
  * Returns the default subbuf size.
  *
@@ -354,4 +357,16 @@ size_t default_get_ust_pid_channel_subbuf_size(void);
 LTTNG_HIDDEN
 size_t default_get_ust_uid_channel_subbuf_size(void);
 
+/*
+ * Get the default pthread_attr to use on thread creation.
+ *
+ * Some libc, such as musl, don't honor the limit set for the stack size and use
+ * their own empirically chosen static value. This function checks if the
+ * current stack size is smaller than the stack size limit and if so returns a
+ * pthread_attr_t pointer where the thread stack size is set to the soft stack
+ * size limit.
+ */
+LTTNG_HIDDEN
+pthread_attr_t *default_pthread_attr(void);
+
 #endif /* _DEFAULTS_H */